diff --git a/pkgs/development/libraries/haskell/clientsession/default.nix b/pkgs/development/libraries/haskell/clientsession/default.nix
index a2ebb5c2d9b..d4f89de0466 100644
--- a/pkgs/development/libraries/haskell/clientsession/default.nix
+++ b/pkgs/development/libraries/haskell/clientsession/default.nix
@@ -3,8 +3,8 @@
 
 cabal.mkDerivation (self: {
   pname = "clientsession";
-  version = "0.7.3.2";
-  sha256 = "1ml1f5sarfck39qrv4zjcbk1vwgazn32gnjm78fm047ixczi9340";
+  version = "0.7.3.3";
+  sha256 = "0cfj225hzn8fsffwnq5zq55dh9m5av1i58b4njhna7miiz6b4jsq";
   buildDepends = [
     base64Bytestring cereal cryptoApi cryptocipher skein
   ];