diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 43e9f8b..02bfbe5 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -21,7 +21,7 @@ jobs:
         uses: cachix/install-nix-action@v30
 
       - name: "Install Cachix️"
-        uses: cachix/cachix-action@v15
+        uses: cachix/cachix-action@v16
         with:
           name: typelevel
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1ccdb93..7de3406 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         uses: cachix/install-nix-action@v30
 
       - name: "Install Cachix️"
-        uses: cachix/cachix-action@v15
+        uses: cachix/cachix-action@v16
         with:
           name: typelevel