diff --git a/pkgs/development/libraries/haskell/stm-conduit/default.nix b/pkgs/development/libraries/haskell/stm-conduit/default.nix
index b53b310dafe0..412dfa1fcd21 100644
--- a/pkgs/development/libraries/haskell/stm-conduit/default.nix
+++ b/pkgs/development/libraries/haskell/stm-conduit/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "stm-conduit";
-  version = "2.2.1.1";
-  sha256 = "0rqn6xhqhaqiy0n2g46z58zzccq1i749p97aihrvjpikrz5kypka";
+  version = "2.2.2";
+  sha256 = "0a6yi35iw0p18asr6l8370kndmvim097vklayads6gbk74gg67cy";
   buildDepends = [
     async cereal cerealConduit conduit liftedAsync liftedBase
     monadControl monadLoops resourcet stm stmChans transformers