diff --git a/Cargo.toml b/Cargo.toml
index b119ea6..6466b76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pow_sha256"
-version = "0.2.1"
+version = "0.3.1"
 authors = [ "Aravinth Manivannan <realaravinth@bastsense.net>", "Robert Kornacki <robk@syre.io>"]
 description = """
 SHA256 PoW on any serializable datatype used in mCaptcha
diff --git a/README.md b/README.md
index 67ba578..aebe397 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 
 </div>
 
-**NOTE: All versions prior to 0.2.1 produce broken PoWs, upgrade to
+**NOTE: All versions prior to 0.3.1 produce broken PoWs, upgrade to
 latest version**
 
 > pow_sha256's copy of `pow_sha256` by