diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2531a7d35..33035ca1e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,9 +13,9 @@ jobs:
     - uses: actions/checkout@v2.3.4
       with:
         fetch-depth: 0
-    - uses: cachix/install-nix-action@v12
+    - uses: cachix/install-nix-action@v13
     - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
-    - uses: cachix/cachix-action@v8
+    - uses: cachix/cachix-action@v9
       with:
         name: '${{ env.CACHIX_NAME }}'
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
@@ -44,8 +44,8 @@ jobs:
       with:
         fetch-depth: 0
     - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
-    - uses: cachix/install-nix-action@v12
-    - uses: cachix/cachix-action@v8
+    - uses: cachix/install-nix-action@v13
+    - uses: cachix/cachix-action@v9
       with:
         name: '${{ env.CACHIX_NAME }}'
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
@@ -62,7 +62,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2.3.4
     - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
-    - uses: cachix/install-nix-action@master
+    - uses: cachix/install-nix-action@v13
       with:
         install_url: '${{needs.installer.outputs.installerURL}}'
         install_options: "--tarball-url-prefix https://${{ env.CACHIX_NAME }}.cachix.org/serve"