diff --git a/.github/workflows/build_static.yml b/.github/workflows/build_static.yml
index 65f6b5e..2ef2d2c 100644
--- a/.github/workflows/build_static.yml
+++ b/.github/workflows/build_static.yml
@@ -40,7 +40,7 @@ jobs:
       - name: Install Nix
         uses: cachix/install-nix-action@v23
 
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         # If PR is from a non-collaborator (e. g. dependabot) the secrets are missing and the login to cachix fails.
         continue-on-error: true
         with:
diff --git a/.github/workflows/update_nix.yml b/.github/workflows/update_nix.yml
index 5f6e691..368dde5 100644
--- a/.github/workflows/update_nix.yml
+++ b/.github/workflows/update_nix.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Install Nix
         uses: cachix/install-nix-action@v23
 
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: espresso-systems-private
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'