diff --git a/pkgs/development/libraries/haskell/streaming-commons/default.nix b/pkgs/development/libraries/haskell/streaming-commons/default.nix
index a12f7254187..dcef167cd82 100644
--- a/pkgs/development/libraries/haskell/streaming-commons/default.nix
+++ b/pkgs/development/libraries/haskell/streaming-commons/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "streaming-commons";
-  version = "0.1.2";
-  sha256 = "1n1gav19bc9ifgwhlz4qlrnpgq0fk4x98v6s19zxr88v89rlxdd7";
+  version = "0.1.2.1";
+  sha256 = "1skixb3cc47sfnq9w6r1qdw6d78wirrv4llrwikih0w7h0i8aqmx";
   buildDepends = [ blazeBuilder network text transformers zlib ];
   testDepends = [
     async blazeBuilder deepseq hspec network QuickCheck text zlib