diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f9790cfb..b81e1d67 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v17
     - run: nix-build -A hydraJobs.release
   ubuntu:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index b6d66853..430b9513 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v13
+      - uses: cachix/install-nix-action@v17
       - name: Build tarballs
         run: |
           nix-build -A hydraJobs.tarball