diff --git a/pkgs/development/python-modules/pythonocc-core/default.nix b/pkgs/development/python-modules/pythonocc-core/default.nix
index 5fa1b2d9b39d..7873574b0a1b 100644
--- a/pkgs/development/python-modules/pythonocc-core/default.nix
+++ b/pkgs/development/python-modules/pythonocc-core/default.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pythonocc-core";
-  version = "7.7.0";
+  version = "7.6.2";
 
   src = fetchFromGitHub {
     owner = "tpaviot";
     repo = "pythonocc-core";
     rev = "refs/tags/${version}";
-    hash = "sha256-YybpwiCeBnwZfYS6ZxUbycHFn2DlqYxcNMylRN5ihFM=";
+    hash = "sha256-45pqPQ07KYlpFwJSAYVHbzuqDQTbAvPpxReal52DCzU=";
   };
 
   postPatch = ''