diff --git a/pkgs/applications/science/logic/cryptominisat/default.nix b/pkgs/applications/science/logic/cryptominisat/default.nix
index 18af6f0a618b..c6b7b918eac8 100644
--- a/pkgs/applications/science/logic/cryptominisat/default.nix
+++ b/pkgs/applications/science/logic/cryptominisat/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "cryptominisat-${version}";
-  version = "5.6.6";
+  version = "5.6.8";
 
   src = fetchFromGitHub {
     owner  = "msoos";
     repo   = "cryptominisat";
     rev    = version;
-    sha256 = "1a1494gj4j73yij0hjbzsn2hglk9zy5c5wfwgig3j67cis28saf5";
+    sha256 = "0csimmy1nvkfcsxjra9bm4mlcyxa3ac8zarm88zfb7640ca0d0wv";
   };
 
   buildInputs = [ python3 boost ];