diff --git a/pkgs/development/python-modules/python-sat/default.nix b/pkgs/development/python-modules/python-sat/default.nix
index 92a72f0f88ea..39e32e859fca 100644
--- a/pkgs/development/python-modules/python-sat/default.nix
+++ b/pkgs/development/python-modules/python-sat/default.nix
@@ -20,7 +20,7 @@ let
 in
 buildPythonPackage (finalAttrs: {
   pname = "python-sat";
-  version = "1.9.dev5";
+  version = "1.9.dev6";
   pyproject = true;
 
   build-system = [ setuptools ];
@@ -28,7 +28,7 @@ buildPythonPackage (finalAttrs: {
   src = fetchPypi {
     inherit (finalAttrs) version;
     pname = "python_sat";
-    hash = "sha256-OxH2AQbusuv5aB/t85nrNOXAuyCfNFZRvMFMWFfmdhg=";
+    hash = "sha256-7YCz8nvHcKNKtgQoRShp/xgWHMyJ48GkFMZCkR+g54w=";
   };
 
   # The kissat source archive is not included in the repo and pysat attempts to