diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1105b00..54ed905 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v2
 
-      - uses: cachix/install-nix-action@v15
+      - uses: cachix/install-nix-action@v19
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}