diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index b4cd6a49a..a52031dac 100644
--- a/.github/workflows/github_pages.yml
+++ b/.github/workflows/github_pages.yml
@@ -14,7 +14,7 @@ jobs:
     - uses: cachix/install-nix-action@v14.1
       with:
         nix_path: nixpkgs=channel:nixos-unstable
-    - uses: cachix/cachix-action@v10
+    - uses: cachix/cachix-action@v17
       with:
         name: nix-community
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 44b2c4fbb..a05f2dbd0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     - uses: cachix/install-nix-action@v14.1
       with:
         nix_path: nixpkgs=channel:nixos-20.09
-    - uses: cachix/cachix-action@v10
+    - uses: cachix/cachix-action@v17
       with:
         name: nix-community
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'