diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 56bfe7a..1484e1c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,7 +30,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v23
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: emacs-ci
           signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'