diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5b05900..8eaf1d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -72,7 +72,7 @@ jobs:
       # public Cachix cache.
       - name: Install Cachix
         if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
-        uses: cachix/cachix-action@v14
+        uses: cachix/cachix-action@v15
         with:
           name: doom-emacs-unstraightened
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'