diff --git a/.github/workflows/nix-dev-cache.yaml b/.github/workflows/nix-dev-cache.yaml
index 9f4430b268..57477c130f 100644
--- a/.github/workflows/nix-dev-cache.yaml
+++ b/.github/workflows/nix-dev-cache.yaml
@@ -16,7 +16,7 @@ jobs:
           - macOS-12
     steps:
     - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v20
+    - uses: cachix/install-nix-action@v22
     - uses: cachix/cachix-action@v12
       with:
         name: unison