diff --git a/pkgs/development/python-modules/misoc/default.nix b/pkgs/development/python-modules/misoc/default.nix
index 6696e1d726ab..74d73dc5c964 100644
--- a/pkgs/development/python-modules/misoc/default.nix
+++ b/pkgs/development/python-modules/misoc/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage {
   pname = "misoc";
-  version = "0.12-unstable-2024-05-14";
+  version = "0.12-unstable-2025-10-03";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "m-labs";
     repo = "misoc";
-    rev = "fea9de558c730bc394a5936094ae95bb9d6fa726";
-    hash = "sha256-zZ9LnUwvTvBL9iNFfmNTklQnd0I4PmV0BApMSblTnc0=";
+    rev = "59043e979f78934f2c2f99ac417c65aa0c7be0b9";
+    hash = "sha256-dXamAZkLdTC9UeZV6biipsZN4LHO+ZLoXV4LO+L7HTM=";
   };
 
   dependencies = [