diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index d3e3bed4..0c8285eb 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@V27
 
       - name: Run nix flake check
         run: nix flake check --print-build-logs
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@V27
 
       - name: Run nix build
         run: nix build --print-build-logs