diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4c8ea4..370c9ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: cachix/install-nix-action@v19
+      - uses: cachix/install-nix-action@v20
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           github_access_token: ${{ secrets.GITHUB_TOKEN }}