diff --git a/pkgs/development/libraries/haskell/snap/server.nix b/pkgs/development/libraries/haskell/snap/server.nix
index 9250666430c..3d25c6c215f 100644
--- a/pkgs/development/libraries/haskell/snap/server.nix
+++ b/pkgs/development/libraries/haskell/snap/server.nix
@@ -6,14 +6,13 @@
 
 cabal.mkDerivation (self: {
   pname = "snap-server";
-  version = "0.9.2.4";
-  sha256 = "1kwmrlk9dr033h6q05afnr916wnw5wlxrr87z1myv0a6nzqmdhzl";
+  version = "0.9.3.1";
+  sha256 = "0wagx1zy52fi4fldbzpsvk5hpdrma9lwsip9zrrbszxf446amd53";
   buildDepends = [
     attoparsec attoparsecEnumerator blazeBuilder blazeBuilderEnumerator
     caseInsensitive enumerator MonadCatchIOTransformers mtl network
     snapCore text time unixCompat
   ];
-  jailbreak = true;
   meta = {
     homepage = "http://snapframework.com/";
     description = "A fast, iteratee-based, epoll-enabled web server for the Snap Framework";