diff --git a/pkgs/development/libraries/haskell/pcap-enumerator/default.nix b/pkgs/development/libraries/haskell/pcap-enumerator/default.nix
index f7480295f6d4..db35b2fe020d 100644
--- a/pkgs/development/libraries/haskell/pcap-enumerator/default.nix
+++ b/pkgs/development/libraries/haskell/pcap-enumerator/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "pcap-enumerator";
-  version = "0.4";
-  sha256 = "0ka2n7740s02marvd1b11mrxc663kj0zcn7hksl5i13ls026hpb8";
+  version = "0.5";
+  sha256 = "0v7ar3jbs54ibhrbbzmvajc7pc8h8dv56wr77w4vsbyz6xq4sqdb";
   buildDepends = [ enumerator pcap transformers ];
   meta = {
     homepage = "http://github.com/cutsea110/pcap-enumerator";