diff --git a/Cargo.lock b/Cargo.lock
index e46cc2d..5e0558d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,34 +2,33 @@
 # It is not intended for manual editing.
 [[package]]
 name = "actix"
-version = "0.10.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1be241f88f3b1e7e9a3fbe3b5a8a0f6915b5a1d7ee0d9a248d3376d01068cc60"
+checksum = "543c47e7827f8fcc9d1445bd98ba402137bfce80ee2187429de49c52b5131bd3"
 dependencies = [
  "actix-rt",
  "actix_derive",
  "bitflags",
  "bytes",
  "crossbeam-channel",
- "derive_more",
- "futures-channel",
+ "futures-core",
+ "futures-sink",
+ "futures-task",
  "futures-util",
  "log",
  "once_cell",
  "parking_lot",
- "pin-project",
+ "pin-project-lite",
  "smallvec",
  "tokio",
  "tokio-util",
- "trust-dns-proto",
- "trust-dns-resolver",
 ]
 
 [[package]]
 name = "actix-macros"
-version = "0.1.3"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4ca8ce00b267af8ccebbd647de0d61e0674b6e61185cc7a592ff88772bed655"
+checksum = "dbcb2b608f0accc2f5bcf3dd872194ce13d94ee45b571487035864cf966b04ef"
 dependencies = [
  "quote",
  "syn",
@@ -37,65 +36,20 @@ dependencies = [
 
 [[package]]
 name = "actix-rt"
-version = "1.1.1"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "143fcc2912e0d1de2bcf4e2f720d2a60c28652ab4179685a1ee159e0fb3db227"
+checksum = "0b4e57bc1a3915e71526d128baf4323700bd1580bc676239e2298a4c5b001f18"
 dependencies = [
  "actix-macros",
- "actix-threadpool",
- "copyless",
- "futures-channel",
- "futures-util",
- "smallvec",
+ "futures-core",
  "tokio",
 ]
 
-[[package]]
-name = "actix-threadpool"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d209f04d002854b9afd3743032a27b066158817965bf5d036824d19ac2cc0e30"
-dependencies = [
- "derive_more",
- "futures-channel",
- "lazy_static",
- "log",
- "num_cpus",
- "parking_lot",
- "threadpool",
-]
-
 [[package]]
 name = "actix_derive"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b95aceadaf327f18f0df5962fedc1bde2f870566a0b9f65c89508a3b1f79334c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "addr2line"
-version = "0.14.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a55f82cfe485775d02112886f4169bde0c5894d75e79ead7eafe7e40a25e45f7"
-dependencies = [
- "gimli",
-]
-
-[[package]]
-name = "adler"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
-
-[[package]]
-name = "async-trait"
-version = "0.1.47"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e098e9c493fdf92832223594d9a164f96bdf17ba81a42aff86f85c76768726a"
+checksum = "6d44b8fee1ced9671ba043476deddef739dd0959bf77030b26b738cc591737a7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -108,20 +62,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
-[[package]]
-name = "backtrace"
-version = "0.3.56"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d117600f438b1707d4e4ae15d3595657288f8235a0eb593e80ecc98ab34e1bc"
-dependencies = [
- "addr2line",
- "cfg-if 1.0.0",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
-]
-
 [[package]]
 name = "bincode"
 version = "1.3.2"
@@ -155,15 +95,9 @@ checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "bytes"
-version = "0.5.6"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
-
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
 
 [[package]]
 name = "cfg-if"
@@ -171,12 +105,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "copyless"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2df960f5d869b2dd8532793fde43eb5427cceb126c929747a26823ab0eeb536"
-
 [[package]]
 name = "cpuid-bool"
 version = "0.1.2"
@@ -185,22 +113,22 @@ checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.4"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
 dependencies = [
+ "cfg-if",
  "crossbeam-utils",
- "maybe-uninit",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "e7e9d99fa91428effe99c5c6d4634cdeba32b8cf784fc428a2a687f61a952c49"
 dependencies = [
  "autocfg",
- "cfg-if 0.1.10",
+ "cfg-if",
  "lazy_static",
 ]
 
@@ -284,86 +212,18 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "enum-as-inner"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
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 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
-[[package]]
-name = "form_urlencoded"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
-dependencies = [
- "matches",
- "percent-encoding",
-]
-
-[[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
-dependencies = [
- "bitflags",
- "fuchsia-zircon-sys",
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-
-[[package]]
-name = "fuchsia-zircon-sys"
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-checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
-
-[[package]]
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-version = "0.3.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f55667319111d593ba876406af7c409c0ebb44dc4be6132a783ccf163ea14c1"
-dependencies = [
- "futures-channel",
- "futures-core",
- "futures-io",
- "futures-sink",
- "futures-task",
- "futures-util",
-]
-
-[[package]]
-name = "futures-channel"
-version = "0.3.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c2dd2df839b57db9ab69c2c9d8f3e8c81984781937fe2807dc6dcf3b2ad2939"
-dependencies = [
- "futures-core",
- "futures-sink",
-]
-
 [[package]]
 name = "futures-core"
 version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "15496a72fabf0e62bdc3df11a59a3787429221dd0710ba8ef163d6f7a9112c94"
 
-[[package]]
-name = "futures-io"
-version = "0.3.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d71c2c65c57704c32f5241c1223167c2c3294fd34ac020c807ddbe6db287ba59"
-
 [[package]]
 name = "futures-sink"
 version = "0.3.13"
@@ -382,15 +242,10 @@ version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1812c7ab8aedf8d6f2701a43e1243acdbcc2b36ab26e2ad421eb99ac963d96d1"
 dependencies = [
- "futures-channel",
  "futures-core",
- "futures-io",
- "futures-sink",
  "futures-task",
- "memchr",
- "pin-project-lite 0.2.6",
+ "pin-project-lite",
  "pin-utils",
- "slab",
 ]
 
 [[package]]
@@ -403,61 +258,15 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "libc",
- "wasi 0.10.2+wasi-snapshot-preview1",
-]
-
-[[package]]
-name = "gimli"
-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
-
-[[package]]
-name = "heck"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87cbf45460356b7deeb5e3415b5563308c0a9b057c85e12b06ad551f98d0a6ac"
-dependencies = [
- "unicode-segmentation",
-]
-
-[[package]]
-name = "hermit-abi"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "hostname"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c731c3e10504cc8ed35cfe2f1db4c9274c3d35fa486e3b31df46f068ef3e867"
-dependencies = [
- "libc",
- "match_cfg",
- "winapi 0.3.9",
+ "wasi",
 ]
 
 [[package]]
@@ -466,45 +275,13 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
-[[package]]
-name = "idna"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89829a5d69c23d348314a7ac337fe39173b61149a9864deabd260983aed48c21"
-dependencies = [
- "matches",
- "unicode-bidi",
- "unicode-normalization",
-]
-
 [[package]]
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 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec"
 dependencies = [
- "cfg-if 1.0.0",
-]
-
-[[package]]
-name = "iovec"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "ipconfig"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7e2f18aece9709094573a9f24f483c4f65caa4298e2f7ae1b71cc65d853fad7"
-dependencies = [
- "socket2",
- "widestring",
- "winapi 0.3.9",
- "winreg",
+ "cfg-if",
 ]
 
 [[package]]
@@ -513,16 +290,6 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
-[[package]]
-name = "kernel32-sys"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -535,12 +302,6 @@ version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03b07a082330a35e43f63177cc01689da34fbffa0105e1246cf0311472cac73a"
 
-[[package]]
-name = "linked-hash-map"
-version = "0.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
-
 [[package]]
 name = "lock_api"
 version = "0.4.2"
@@ -556,16 +317,7 @@ version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
 dependencies = [
- "cfg-if 1.0.0",
-]
-
-[[package]]
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-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
-dependencies = [
- "linked-hash-map",
+ "cfg-if",
 ]
 
 [[package]]
@@ -577,114 +329,48 @@ dependencies = [
  "derive_builder",
  "derive_more",
  "pow_sha256",
- "rand 0.8.3",
+ "rand",
  "serde",
  "serde_json",
 ]
 
-[[package]]
-name = "match_cfg"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
-
-[[package]]
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-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
-
-[[package]]
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-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "memchr"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
-[[package]]
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-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "adler",
- "autocfg",
-]
-
 [[package]]
 name = "mio"
-version = "0.6.23"
+version = "0.7.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
+checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
 dependencies = [
- "cfg-if 0.1.10",
- "fuchsia-zircon",
- "fuchsia-zircon-sys",
- "iovec",
- "kernel32-sys",
  "libc",
  "log",
  "miow",
- "net2",
- "slab",
- "winapi 0.2.8",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "iovec",
- "libc",
- "mio",
+ "ntapi",
+ "winapi",
 ]
 
 [[package]]
 name = "miow"
-version = "0.2.2"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
+checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
 dependencies = [
- "kernel32-sys",
- "net2",
- "winapi 0.2.8",
- "ws2_32-sys",
+ "winapi",
 ]
 
 [[package]]
-name = "net2"
-version = "0.2.37"
+name = "ntapi"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
+checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
 dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
-[[package]]
-name = "num_cpus"
-version = "1.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
-[[package]]
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-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9a7ab5d64814df0fe4a4b5ead45ed6c5f181ee3ff04ba344313a6c80446c5d4"
-
 [[package]]
 name = "once_cell"
 version = "1.7.2"
@@ -714,46 +400,14 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa7a782938e745763fe6907fc6ba86946d72f49fe7e21de074e08128a99fb018"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "instant",
  "libc",
  "redox_syscall",
  "smallvec",
- "winapi 0.3.9",
+ "winapi",
 ]
 
-[[package]]
-name = "percent-encoding"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
-
-[[package]]
-name = "pin-project"
-version = "0.4.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ffbc8e94b38ea3d2d8ba92aea2983b503cd75d0888d75b86bb37970b5698e15"
-dependencies = [
- "pin-project-internal",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "0.4.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "pin-project-lite"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "257b64915a082f7811703966789728173279bdebb956b143dbcd23f6f970a777"
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.6"
@@ -792,12 +446,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quote"
 version = "1.0.9"
@@ -807,19 +455,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc 0.2.0",
-]
-
 [[package]]
 name = "rand"
 version = "0.8.3"
@@ -827,19 +462,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
 dependencies = [
  "libc",
- "rand_chacha 0.3.0",
- "rand_core 0.6.2",
- "rand_hc 0.3.0",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
 ]
 
 [[package]]
@@ -849,16 +474,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
+ "rand_core",
 ]
 
 [[package]]
@@ -867,16 +483,7 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
 dependencies = [
- "getrandom 0.2.2",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
+ "getrandom",
 ]
 
 [[package]]
@@ -885,7 +492,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
- "rand_core 0.6.2",
+ "rand_core",
 ]
 
 [[package]]
@@ -897,22 +504,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "resolv-conf"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52e44394d2086d010551b14b53b1f24e31647570cd1deb0379e2c21b329aba00"
-dependencies = [
- "hostname",
- "quick-error",
-]
-
-[[package]]
-name = "rustc-demangle"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
-
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -963,7 +554,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa827a14b29ab7f44778d14a88d3cb76e949c45083f7dbfa507d0cb699dc12de"
 dependencies = [
  "block-buffer",
- "cfg-if 1.0.0",
+ "cfg-if",
  "cpuid-bool",
  "digest",
  "opaque-debug",
@@ -978,29 +569,12 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "slab"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
-
 [[package]]
 name = "smallvec"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
-[[package]]
-name = "socket2"
-version = "0.3.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "strsim"
 version = "0.9.3"
@@ -1018,204 +592,62 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e"
-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "threadpool"
-version = "1.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d050e60b33d41c19108b32cea32164033a9013fe3b46cbd4457559bfbf77afaa"
-dependencies = [
- "num_cpus",
-]
-
-[[package]]
-name = "tinyvec"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "317cca572a0e89c3ce0ca1f1bdc9369547fe318a683418e42ac8f59d14701023"
-dependencies = [
- "tinyvec_macros",
-]
-
-[[package]]
-name = "tinyvec_macros"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
-
 [[package]]
 name = "tokio"
-version = "0.2.25"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
+checksum = "134af885d758d645f0f0505c9a8b3f9bf8a348fd822e112ab5248138348f1722"
 dependencies = [
+ "autocfg",
  "bytes",
- "fnv",
- "futures-core",
- "iovec",
- "lazy_static",
  "libc",
  "memchr",
  "mio",
- "mio-uds",
- "pin-project-lite 0.1.12",
+ "once_cell",
+ "parking_lot",
+ "pin-project-lite",
  "signal-hook-registry",
- "slab",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
 name = "tokio-util"
-version = "0.3.1"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
+checksum = "5143d049e85af7fbc36f5454d990e62c2df705b3589f123b71f441b6b59f443f"
 dependencies = [
  "bytes",
  "futures-core",
- "futures-io",
  "futures-sink",
  "log",
- "pin-project-lite 0.1.12",
+ "pin-project-lite",
  "tokio",
 ]
 
-[[package]]
-name = "trust-dns-proto"
-version = "0.19.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53861fcb288a166aae4c508ae558ed18b53838db728d4d310aad08270a7d4c2b"
-dependencies = [
- "async-trait",
- "backtrace",
- "enum-as-inner",
- "futures",
- "idna",
- "lazy_static",
- "log",
- "rand 0.7.3",
- "smallvec",
- "thiserror",
- "tokio",
- "url",
-]
-
-[[package]]
-name = "trust-dns-resolver"
-version = "0.19.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6759e8efc40465547b0dfce9500d733c65f969a4cbbfbe3ccf68daaa46ef179e"
-dependencies = [
- "backtrace",
- "cfg-if 0.1.10",
- "futures",
- "ipconfig",
- "lazy_static",
- "log",
- "lru-cache",
- "resolv-conf",
- "smallvec",
- "thiserror",
- "tokio",
- "trust-dns-proto",
-]
-
 [[package]]
 name = "typenum"
 version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 
-[[package]]
-name = "unicode-bidi"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
-dependencies = [
- "matches",
-]
-
-[[package]]
-name = "unicode-normalization"
-version = "0.1.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07fbfce1c8a97d547e8b5334978438d9d6ec8c20e38f56d4a4374d181493eaef"
-dependencies = [
- "tinyvec",
-]
-
-[[package]]
-name = "unicode-segmentation"
-version = "1.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
-[[package]]
-name = "url"
-version = "2.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ccd964113622c8e9322cfac19eb1004a07e636c545f325da085d5cdde6f1f8b"
-dependencies = [
- "form_urlencoded",
- "idna",
- "matches",
- "percent-encoding",
-]
-
 [[package]]
 name = "version_check"
 version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
-[[package]]
-name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
 [[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
-[[package]]
-name = "widestring"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c168940144dd21fd8046987c16a46a33d5fc84eec29ef9dcddc2ac9e31526b7c"
-
-[[package]]
-name = "winapi"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1226,12 +658,6 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu",
 ]
 
-[[package]]
-name = "winapi-build"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -1243,22 +669,3 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
-[[package]]
-name = "winreg"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
-dependencies = [
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "ws2_32-sys"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
diff --git a/Cargo.toml b/Cargo.toml
index 6c1aa10..aea3ffd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "m_captcha"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["realaravinth <realaravinth@batsense.net>"]
 description = "Convenient abstractions for all things credentials"
 keywords = ["credentials", "password"]
@@ -11,7 +11,7 @@ edition = "2018"
 readme = "README.md"
 
 [dependencies]
-actix = "0.10"
+actix = "0.11"
 
 serde = "1.0.114"
 serde_json = "1"
@@ -23,4 +23,4 @@ rand = "0.8"
 pow_sha256 = { version = "0.2", git = "https://github.com/mcaptcha/pow_sha256" }
 
 [dev-dependencies]
-actix-rt = "1"
+actix-rt = "2"
diff --git a/src/cache/hashcache.rs b/src/cache/hashcache.rs
index d21ba9d..3f22459 100644
--- a/src/cache/hashcache.rs
+++ b/src/cache/hashcache.rs
@@ -60,7 +60,7 @@ impl Actor for HashCache {
 impl Handler<Cache> for HashCache {
     type Result = MessageResult<Cache>;
     fn handle(&mut self, msg: Cache, ctx: &mut Self::Context) -> Self::Result {
-        use actix::clock::delay_for;
+        use actix::clock::sleep;
         use std::time::Duration;
 
         let addr = ctx.address();
@@ -68,7 +68,7 @@ impl Handler<Cache> for HashCache {
 
         let duration: Duration = Duration::new(msg.duration.clone(), 0);
         let wait_for = async move {
-            delay_for(duration).await;
+            sleep(duration).await;
             addr.send(del_msg).await.unwrap().unwrap();
         }
         .into_actor(self);
@@ -102,11 +102,11 @@ mod tests {
     use crate::pow::PoWConfig;
 
     async fn sleep(time: u64) {
-        use actix::clock::delay_for;
+        use actix::clock::sleep;
         use std::time::Duration;
 
         let duration: Duration = Duration::new(time, 0);
-        delay_for(duration).await;
+        sleep(duration).await;
     }
 
     #[actix_rt::test]
diff --git a/src/master.rs b/src/master.rs
index 777e690..10db5ec 100644
--- a/src/master.rs
+++ b/src/master.rs
@@ -19,7 +19,7 @@
 use std::collections::BTreeMap;
 use std::time::Duration;
 
-use actix::clock::delay_for;
+use actix::clock::sleep;
 use actix::dev::*;
 use derive_builder::Builder;
 
@@ -124,7 +124,7 @@ impl Handler<CleanUp> for Master {
             }
 
             let duration = Duration::new(gc, 0);
-            delay_for(duration).await;
+            sleep(duration).await;
             master.send(CleanUp).await.unwrap();
         }
         .into_actor(self);
@@ -187,8 +187,8 @@ mod tests {
         assert!(addr_doesnt_exist.is_none());
 
         let timer_expire = Duration::new(DURATION, 0);
-        delay_for(timer_expire).await;
-        delay_for(timer_expire).await;
+        sleep(timer_expire).await;
+        sleep(timer_expire).await;
 
         let mcaptcha_addr = addr.send(GetSite(id.into())).await.unwrap();
         assert_eq!(mcaptcha_addr, None);
diff --git a/src/mcaptcha.rs b/src/mcaptcha.rs
index 377fd36..eed2c0e 100644
--- a/src/mcaptcha.rs
+++ b/src/mcaptcha.rs
@@ -74,7 +74,7 @@
 
 use std::time::Duration;
 
-use actix::clock::delay_for;
+use actix::clock::sleep;
 use actix::dev::*;
 use serde::{Deserialize, Serialize};
 
@@ -218,7 +218,7 @@ impl Handler<AddVisitor> for MCaptcha {
 
         let duration: Duration = Duration::new(self.duration.clone(), 0);
         let wait_for = async move {
-            delay_for(duration).await;
+            sleep(duration).await;
             addr.send(DeleteVisitor).await.unwrap();
         }
         .into_actor(self);
@@ -320,7 +320,7 @@ pub mod tests {
 
     #[actix_rt::test]
     async fn counter_defense_loosenup_works() {
-        use actix::clock::delay_for;
+        use actix::clock::sleep;
         let addr: MyActor = get_counter().start();
 
         race(addr.clone(), LEVEL_2).await;
@@ -329,7 +329,7 @@ pub mod tests {
         assert_eq!(mcaptcha.difficulty_factor, LEVEL_2.1);
 
         let duration = Duration::new(DURATION, 0);
-        delay_for(duration).await;
+        sleep(duration).await;
 
         mcaptcha = addr.send(AddVisitor).await.unwrap();
         assert_eq!(mcaptcha.difficulty_factor, LEVEL_1.1);