diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 54501be8..4d7a63b1 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v12
+    - uses: cachix/install-nix-action@v13
     - uses: cachix/cachix-action@v8
       with:
         name: pre-commit-hooks