diff --git a/pkgs/development/libraries/haskell/persistent-mysql/default.nix b/pkgs/development/libraries/haskell/persistent-mysql/default.nix
index a63ef8c7b39c..dd895b937ce7 100644
--- a/pkgs/development/libraries/haskell/persistent-mysql/default.nix
+++ b/pkgs/development/libraries/haskell/persistent-mysql/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "persistent-mysql";
-  version = "2.0.4";
-  sha256 = "098fh3wiqq9frw3v8rmsr0n7raq81p0fmi3an0jh7h4k0b2vz2gc";
+  version = "2.0.5";
+  sha256 = "1zhva0wikp3d57fsz5phqwi0b3vbgnapf6bw46xmmrp8r21zsnk5";
   buildDepends = [
     aeson blazeBuilder conduit monadControl monadLogger mysql
     mysqlSimple persistent resourcet text transformers