diff --git a/pkgs/development/libraries/haskell/snap/server.nix b/pkgs/development/libraries/haskell/snap/server.nix
index c11dfe4f398f..7bf332811a99 100644
--- a/pkgs/development/libraries/haskell/snap/server.nix
+++ b/pkgs/development/libraries/haskell/snap/server.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "snap-server";
-  version = "0.9.3.3";
-  sha256 = "1n50xyhg4rva7ifv70825177606q87ip7f9p5kf94i9kci0kmlig";
+  version = "0.9.3.4";
+  sha256 = "0i95gf7wpf0gyns4rnl1wp2f53cwfmjg0qb8jxpynwklvsm6zf88";
   buildDepends = [
     attoparsec attoparsecEnumerator blazeBuilder blazeBuilderEnumerator
     caseInsensitive enumerator MonadCatchIOTransformers mtl network