diff --git a/pkgs/development/libraries/haskell/hashable/1.2.0.10.nix b/pkgs/development/libraries/haskell/hashable/1.2.1.0.nix
similarity index 87%
rename from pkgs/development/libraries/haskell/hashable/1.2.0.10.nix
rename to pkgs/development/libraries/haskell/hashable/1.2.1.0.nix
index 2bafe55f420..092a3f69156 100644
--- a/pkgs/development/libraries/haskell/hashable/1.2.0.10.nix
+++ b/pkgs/development/libraries/haskell/hashable/1.2.1.0.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hashable";
-  version = "1.2.0.10";
-  sha256 = "155r7zqc0kisjdslr8d1c04yqwvzwqx4d99c0zla113dvsdjhp37";
+  version = "1.2.1.0";
+  sha256 = "09m1glpcxm3f6s9cwz8xzljy6j0n271cym4d9dllw5rpzrwp9h2f";
   buildDepends = [ text ];
   testDepends = [
     HUnit QuickCheck random testFramework testFrameworkHunit
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 585e95f657e..2c0c6e5d078 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -149,7 +149,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
     GLUT         = self.GLUT_2_4_0_0;
     GLURaw       = self.GLURaw_1_3_0_0;
     haskellSrc   = self.haskellSrc_1_0_1_5;
-    hashable     = self.hashable_1_2_0_10;
+    hashable     = self.hashable_1_2_1_0;
     html         = self.html_1_0_1_2;
     HTTP         = self.HTTP_4000_2_8;
     HUnit        = self.HUnit_1_2_5_2;
@@ -1120,8 +1120,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
   happstackLite = callPackage ../development/libraries/haskell/happstack/happstack-lite.nix {};
 
   hashable_1_1_2_5 = callPackage ../development/libraries/haskell/hashable/1.1.2.5.nix {};
-  hashable_1_2_0_10 = callPackage ../development/libraries/haskell/hashable/1.2.0.10.nix {};
-  hashable = self.hashable_1_2_0_10;
+  hashable_1_2_1_0 = callPackage ../development/libraries/haskell/hashable/1.2.1.0.nix {};
+  hashable = self.hashable_1_2_1_0;
 
   hashedStorage = callPackage ../development/libraries/haskell/hashed-storage {};