diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 43434aa..32c08e9 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v21
+      - uses: cachix/install-nix-action@v31
       - uses: cachix/cachix-action@v12
         with:
           name: each-commit-green