diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index e605ba4..0da4176 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -17,10 +17,10 @@ jobs:
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
           experimental-features = nix-command flakes
-    - uses: cachix/cachix-action@v15
+    - uses: cachix/cachix-action@v16
       with:
         name: iohk
-    - uses: cachix/cachix-action@v15
+    - uses: cachix/cachix-action@v16
       with:
         name: tinybeachthor
         signingKey: ${{ secrets.CACHIX_SIGNING_KEY }}