diff --git a/pkgs/development/libraries/haskell/unordered-containers/0.2.3.2.nix b/pkgs/development/libraries/haskell/unordered-containers/0.2.3.3.nix
similarity index 87%
rename from pkgs/development/libraries/haskell/unordered-containers/0.2.3.2.nix
rename to pkgs/development/libraries/haskell/unordered-containers/0.2.3.3.nix
index 669f45d83f2..03cdd824d29 100644
--- a/pkgs/development/libraries/haskell/unordered-containers/0.2.3.2.nix
+++ b/pkgs/development/libraries/haskell/unordered-containers/0.2.3.3.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "unordered-containers";
-  version = "0.2.3.2";
-  sha256 = "0fgfb2zqa2zi2hb9nkj92nwnxr54wkqa6gmqbcn4h5zks5anfvn5";
+  version = "0.2.3.3";
+  sha256 = "09sn19fk4smhf4zi3326wy2a62lh231k2nm8jd64j51arch42sdi";
   buildDepends = [ deepseq hashable ];
   testDepends = [
     ChasingBottoms hashable HUnit QuickCheck testFramework
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 8c65a0dabd0..c998b47d968 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -169,7 +169,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
     syb          = self.syb_0_4_1;
     text         = self.text_0_11_3_1;
     transformers = null;                        # this has become a core package in GHC 7.7
-    unorderedContainers = self.unorderedContainers_0_2_3_2;
+    unorderedContainers = self.unorderedContainers_0_2_3_3;
     vector       = self.vector_0_10_0_1;
     xhtml        = self.xhtml_3000_2_1;
     zlib         = self.zlib_0_5_4_1;
@@ -2124,8 +2124,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
   unlambda = callPackage ../development/libraries/haskell/unlambda {};
 
   unorderedContainers_0_2_3_0 = callPackage ../development/libraries/haskell/unordered-containers/0.2.3.0.nix {};
-  unorderedContainers_0_2_3_2 = callPackage ../development/libraries/haskell/unordered-containers/0.2.3.2.nix {};
-  unorderedContainers = self.unorderedContainers_0_2_3_2;
+  unorderedContainers_0_2_3_3 = callPackage ../development/libraries/haskell/unordered-containers/0.2.3.3.nix {};
+  unorderedContainers = self.unorderedContainers_0_2_3_3;
 
   url = callPackage ../development/libraries/haskell/url {};