diff --git a/nix/openroad.nix b/nix/openroad.nix
index 74fc9a0a7..b77d71b6e 100644
--- a/nix/openroad.nix
+++ b/nix/openroad.nix
@@ -47,7 +47,7 @@
   git,
   gtest,
   # environments,
-  rev ? "8dcca2271f408793f6f53360151162465412b805",
+  rev ? "a9ff57d3fa1814154073a6ff05809e7958a21668",
   rev-date ? "2024-12-24",
   sha256 ? "sha256-Z2h2ddoWyaVgUf77S/NixQgLCUvhJL1jTy3S9Lghqzw=",
   openroad,