diff --git a/.github/workflows/daily-bump.yml b/.github/workflows/daily-bump.yml
index 2d82c26..da61c60 100644
--- a/.github/workflows/daily-bump.yml
+++ b/.github/workflows/daily-bump.yml
@@ -45,7 +45,7 @@ jobs:
           sed -i "s|$oldHash|$newHash|" nix/gcd/gcd.nix
       - name: Commit changes
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_TOKEN: ${{ secrets.CI_BUMP_TOKEN }}
         run: |
           git config user.name github-actions[bot]
           git config user.email 41898282+github-actions[bot]@users.noreply.github.com
diff --git a/templates/chisel/nix/gcd/gcd.nix b/templates/chisel/nix/gcd/gcd.nix
index 42dd4bb..748e875 100644
--- a/templates/chisel/nix/gcd/gcd.nix
+++ b/templates/chisel/nix/gcd/gcd.nix
@@ -75,7 +75,10 @@ let
       projectDependencies.setupHook
     ];
 
-    env.CIRCT_INSTALL_PATH = circt-full;
+    env = {
+      CIRCT_INSTALL_PATH = circt-full;
+      JEXTRACT_INSTALL_PATH = jextract-21;
+    };
 
     outputs = [ "out" "elaborator" ];