diff --git a/pkgs/games/liquidwar/5.nix b/pkgs/games/liquidwar/5.nix
index 1d49a6cef6e7..65dbcc58b065 100644
--- a/pkgs/games/liquidwar/5.nix
+++ b/pkgs/games/liquidwar/5.nix
@@ -5,11 +5,11 @@
   allegro,
 }:
 stdenv.mkDerivation rec {
-  version = "5.6.5";
+  version = "5.6.6";
   pname = "liquidwar5";
   src = fetchurl {
     url = "http://www.ufoot.org/download/liquidwar/v5/${version}/liquidwar-${version}.tar.gz";
-    sha256 = "2tCqhN1BbK0FVCHtm0DfOe+ueNPfdZwFg8ZMVPfy/18=";
+    sha256 = "sha256-JF2AZuzDiCm9EQ8AiQ6230TgmMgML7yJpG80BFqsQ/c=";
   };
 
   buildInputs = [ allegro ];