diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 26857ca..95604b2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v12
+    - uses: cachix/install-nix-action@v13
       with:
         install_url: ${{ matrix.nix-install-url }}
         nix_path: nixpkgs=channel:nixpkgs-unstable