diff --git a/Cargo.lock b/Cargo.lock
index b763548..c775adf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,7 +29,7 @@ dependencies = [
  "actix-rt",
  "actix-service",
  "actix-utils",
- "ahash",
+ "ahash 0.7.6",
  "base64",
  "bitflags",
  "brotli",
@@ -51,7 +51,7 @@ dependencies = [
  "percent-encoding",
  "pin-project-lite",
  "rand",
- "sha-1",
+ "sha-1 0.10.0",
  "smallvec",
  "zstd",
 ]
@@ -77,7 +77,7 @@ dependencies = [
  "http",
  "log",
  "regex",
- "serde 1.0.136",
+ "serde",
 ]
 
 [[package]]
@@ -145,7 +145,7 @@ dependencies = [
  "actix-service",
  "actix-utils",
  "actix-web-codegen 4.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ahash",
+ "ahash 0.7.6",
  "bytes",
  "bytestring",
  "cfg-if",
@@ -161,7 +161,7 @@ dependencies = [
  "once_cell",
  "pin-project-lite",
  "regex",
- "serde 1.0.136",
+ "serde",
  "serde_json",
  "serde_urlencoded",
  "smallvec",
@@ -199,6 +199,12 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "ahash"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
+
 [[package]]
 name = "ahash"
 version = "0.7.6"
@@ -235,10 +241,15 @@ dependencies = [
 ]
 
 [[package]]
-name = "arrayvec"
-version = "0.5.2"
+name = "async-trait"
+version = "0.1.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+checksum = "ed6aa3524a2dfcf9fe180c51eae2b58738348d819517ceadf95789c51fff7600"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
 
 [[package]]
 name = "atty"
@@ -269,13 +280,34 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "block-buffer"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
+dependencies = [
+ "block-padding",
+ "byte-tools",
+ "byteorder",
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0bf7fe51849ea569fd452f37822f606a5cabb684dc918707a0193fd4664ff324"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.5",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
+dependencies = [
+ "byte-tools",
 ]
 
 [[package]]
@@ -299,6 +331,18 @@ dependencies = [
  "alloc-stdlib",
 ]
 
+[[package]]
+name = "byte-tools"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
+
+[[package]]
+name = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
 [[package]]
 name = "bytes"
 version = "1.1.0"
@@ -331,15 +375,18 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "config"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b1b9d958c2b1368a663f05538fc1b5975adce1e19f435acceae987aceeeb369"
+checksum = "54ad70579325f1a38ea4c13412b82241c5900700a69785d73e2736bd65a33f86"
 dependencies = [
+ "async-trait",
+ "json5",
  "lazy_static",
  "nom",
+ "pathdiff",
+ "ron",
  "rust-ini",
- "serde 1.0.136",
- "serde-hjson",
+ "serde",
  "serde_json",
  "toml",
  "yaml-rust",
@@ -386,7 +433,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57952ca27b5e3606ff4dd79b0020231aaf9d6aa76dc05fd30137538c50bd3ce8"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.5",
  "typenum",
 ]
 
@@ -403,16 +450,34 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "digest"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
+dependencies = [
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2fb860ca6fafa5552fb6d0e816a69c8e49f0908bf524e30a90d97c85892d506"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.10.2",
  "crypto-common",
 ]
 
+[[package]]
+name = "dlv-list"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68df3f2b690c1b86e65ef7830956aededf3cb0a16f898f79b9a6f421a7b6211b"
+dependencies = [
+ "rand",
+]
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.30"
@@ -435,6 +500,12 @@ dependencies = [
  "termcolor",
 ]
 
+[[package]]
+name = "fake-simd"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
+
 [[package]]
 name = "firestorm"
 version = "0.5.0"
@@ -499,6 +570,15 @@ dependencies = [
  "pin-utils",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffdf9f34f1447443d37393cc6c2b8313aebddcd96906caf34e54c68d8e57d7bd"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.5"
@@ -554,6 +634,15 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
+dependencies = [
+ "ahash 0.4.7",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.11.2"
@@ -619,7 +708,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.11.2",
 ]
 
 [[package]]
@@ -637,6 +726,17 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "json5"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96b0db21af676c1ce64250b5f40f3ce2cf27e4e47cb91ed91eb6fe9350b430c1"
+dependencies = [
+ "pest",
+ "pest_derive",
+ "serde",
+]
+
 [[package]]
 name = "language-tags"
 version = "0.3.2"
@@ -649,19 +749,6 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
-[[package]]
-name = "lexical-core"
-version = "0.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
-dependencies = [
- "arrayvec",
- "bitflags",
- "cfg-if",
- "ryu",
- "static_assertions",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.121"
@@ -750,6 +837,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "maplit"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
+
 [[package]]
 name = "matches"
 version = "0.1.9"
@@ -768,6 +861,12 @@ version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.4.4"
@@ -812,13 +911,12 @@ dependencies = [
 
 [[package]]
 name = "nom"
-version = "5.1.2"
+version = "7.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
+checksum = "a8903e5a29a317527874d0402f867152a3d21c908bb0b933e416c65e301d4c36"
 dependencies = [
- "lexical-core",
  "memchr",
- "version_check",
+ "minimal-lexical",
 ]
 
 [[package]]
@@ -830,24 +928,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "num-traits"
-version = "0.1.43"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
-dependencies = [
- "num-traits 0.2.14",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "num_cpus"
 version = "1.13.1"
@@ -873,6 +953,12 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
 
+[[package]]
+name = "opaque-debug"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
+
 [[package]]
 name = "openssl-probe"
 version = "0.1.5"
@@ -892,6 +978,16 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "ordered-multimap"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c672c7ad9ec066e428c00eb917124a06f08db19e2584de982cc34b1f4c12485"
+dependencies = [
+ "dlv-list",
+ "hashbrown 0.9.1",
+]
+
 [[package]]
 name = "pages"
 version = "0.1.0"
@@ -908,7 +1004,7 @@ dependencies = [
  "mktemp",
  "num_cpus",
  "pretty_env_logger",
- "serde 1.0.136",
+ "serde",
  "serde_json",
  "url",
 ]
@@ -942,12 +1038,61 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c520e05135d6e763148b6426a837e239041653ba7becd2e538c076c738025fc"
 
+[[package]]
+name = "pathdiff"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8835116a5c179084a830efb3adc117ab007512b535bc1a21c991d3b32a6b44dd"
+
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
+[[package]]
+name = "pest"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
+dependencies = [
+ "ucd-trie",
+]
+
+[[package]]
+name = "pest_derive"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "833d1ae558dc601e9a60366421196a8d94bc0ac980476d0b67e1d0988d72b2d0"
+dependencies = [
+ "pest",
+ "pest_generator",
+]
+
+[[package]]
+name = "pest_generator"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
+dependencies = [
+ "pest",
+ "pest_meta",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pest_meta"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54be6e404f5317079812fc8f9f5279de376d8856929e21c184ecf6bbd692a11d"
+dependencies = [
+ "maplit",
+ "pest",
+ "sha-1 0.8.2",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.8"
@@ -1063,10 +1208,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
-name = "rust-ini"
-version = "0.13.0"
+name = "ron"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e52c148ef37f8c375d49d5a73aa70713125b7f19095948a923f80afdeb22ec2"
+checksum = "1b861ecaade43ac97886a512b360d01d66be9f41f3c61088b42cedf92e03d678"
+dependencies = [
+ "base64",
+ "bitflags",
+ "serde",
+]
+
+[[package]]
+name = "rust-ini"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63471c4aa97a1cf8332a5f97709a79a4234698de6a1f5087faf66f2dae810e22"
+dependencies = [
+ "cfg-if",
+ "ordered-multimap",
+]
 
 [[package]]
 name = "rustc_version"
@@ -1095,12 +1255,6 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d65bd28f48be7196d222d95b9243287f48d27aca604e08497513019ff0502cc4"
 
-[[package]]
-name = "serde"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
-
 [[package]]
 name = "serde"
 version = "1.0.136"
@@ -1110,18 +1264,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde-hjson"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a3a4e0ea8a88553209f6cc6cfe8724ecad22e1acf372793c27d995290fe74f8"
-dependencies = [
- "lazy_static",
- "num-traits 0.1.43",
- "regex",
- "serde 0.8.23",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.136"
@@ -1141,7 +1283,7 @@ checksum = "8e8d9fa5c3b304765ce1fd9c4c8a3de2c8db365a5b91be52f186efc675681d95"
 dependencies = [
  "itoa",
  "ryu",
- "serde 1.0.136",
+ "serde",
 ]
 
 [[package]]
@@ -1153,7 +1295,19 @@ dependencies = [
  "form_urlencoded",
  "itoa",
  "ryu",
- "serde 1.0.136",
+ "serde",
+]
+
+[[package]]
+name = "sha-1"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
+dependencies = [
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
+ "fake-simd",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -1164,7 +1318,7 @@ checksum = "028f48d513f9678cda28f6e4064755b3fbb2af6acd672f2c209b62323f7aea0f"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest",
+ "digest 0.10.3",
 ]
 
 [[package]]
@@ -1198,12 +1352,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "static_assertions"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
-
 [[package]]
 name = "syn"
 version = "1.0.90"
@@ -1309,7 +1457,7 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
- "serde 1.0.136",
+ "serde",
 ]
 
 [[package]]
@@ -1351,6 +1499,12 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.7"
diff --git a/Cargo.toml b/Cargo.toml
index 09859aa..f74792b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ actix-http = "3.0.4"
 actix-rt = "2"
 my-codegen = {package = "actix-web-codegen", git ="https://github.com/realaravinth/actix-web"}
 
-config = "0.11"
+config = "0.12"
 git2 = "0.14.2"
 
 serde = { version = "1", features = ["derive"]}
diff --git a/src/settings.rs b/src/settings.rs
index b7c4295..027369d 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -48,34 +48,33 @@ pub struct Settings {
 #[cfg(not(tarpaulin_include))]
 impl Settings {
     pub fn new() -> Result<Self, ConfigError> {
-        let mut s = Config::new();
+        let mut s = Config::builder();
+
         const CURRENT_DIR: &str = "./config/default.toml";
         const ETC: &str = "/etc/static-pages/config.toml";
 
         if let Ok(path) = env::var("PAGES__CONFIG") {
-            s.merge(File::with_name(&path))?;
+            s = s.add_source(File::with_name(&path));
         } else if Path::new(CURRENT_DIR).exists() {
             // merging default config from file
-            s.merge(File::with_name(CURRENT_DIR))?;
+            s = s.add_source(File::with_name(CURRENT_DIR));
         } else if Path::new(ETC).exists() {
-            s.merge(File::with_name(ETC))?;
+            s = s.add_source(File::with_name(ETC));
         } else {
             log::warn!("configuration file not found");
         }
 
-        s.merge(Environment::with_prefix("PAGES").separator("__"))?;
-
-        check_url(&s);
+        s = s.add_source(Environment::with_prefix("PAGES").separator("__"));
 
+        let mut settings = s.build()?.try_deserialize::<Settings>()?;
+        settings.check_url();
         match env::var("PORT") {
             Ok(val) => {
-                s.set("server.port", val).unwrap();
+                settings.server.port = val.parse().unwrap();
             }
             Err(e) => warn!("couldn't interpret PORT: {}", e),
         }
 
-        let settings: Settings = s.try_into()?;
-
         for (index, page) in settings.pages.iter().enumerate() {
             Url::parse(&page.repo).unwrap();
             let path = Path::new(&page.path);
@@ -100,13 +99,9 @@ impl Settings {
 
         Ok(settings)
     }
-}
 
-#[cfg(not(tarpaulin_include))]
-fn check_url(s: &Config) {
-    let url = s
-        .get::<String>("source_code")
-        .expect("Couldn't access source_code");
-
-    Url::parse(&url).expect("Please enter a URL for source_code in settings");
+    #[cfg(not(tarpaulin_include))]
+    fn check_url(&self) {
+        Url::parse(&self.source_code).expect("Please enter a URL for source_code in settings");
+    }
 }