diff --git a/.github/workflows/docgen.yml b/.github/workflows/docgen.yml
index a87fe01..4a1099b 100644
--- a/.github/workflows/docgen.yml
+++ b/.github/workflows/docgen.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v23
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: mrcjkb
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'