diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index bd16779..0691c55 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v21
+    - uses: cachix/install-nix-action@v22
     - run: |
         nix develop -c bash<<SH
           bundle install