diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eb1ce21..c2bca3c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -81,7 +81,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4.1.7
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@V28
       - uses: cachix/cachix-action@v15
         with:
           name: linz