diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 41610a1..4e5d5f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           tool-cache: true
       - uses: DeterminateSystems/magic-nix-cache-action@v8
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: callumio-public
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'