diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 707b353c19..bb50982db8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,8 @@ jobs:
      - uses: actions/checkout@v2
        with:
          submodules: true
-     - uses: cachix/install-nix-action@v14.1
-     - uses: cachix/cachix-action@v10
+     - uses: cachix/install-nix-action@v20
+     - uses: cachix/cachix-action@v12
        with:
          name: wire-server
          signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
@@ -32,8 +32,8 @@ jobs:
      - uses: actions/checkout@v2
        with:
          submodules: true
-     - uses: cachix/install-nix-action@v14.1
-     - uses: cachix/cachix-action@v10
+     - uses: cachix/install-nix-action@v20
+     - uses: cachix/cachix-action@v12
        with:
          name: wire-server
          signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'