diff --git a/pkgs/development/libraries/haskell/warp/default.nix b/pkgs/development/libraries/haskell/warp/default.nix
index dd03b1463c68..d08f8d6e5450 100644
--- a/pkgs/development/libraries/haskell/warp/default.nix
+++ b/pkgs/development/libraries/haskell/warp/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "warp";
-  version = "2.1.1.2";
-  sha256 = "1kiwarlfw8m04fapnihbr2n6diysi1snwvpvdya5hz555c5flda9";
+  version = "2.1.2";
+  sha256 = "15630g8qzshn2620qsdki1nwr4bkapqz0k2bls0yxyblvw0fn9cf";
   buildDepends = [
     blazeBuilder blazeBuilderConduit caseInsensitive conduit hashable
     httpDate httpTypes liftedBase network networkConduit simpleSendfile