diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6f2f0389..6f432b81 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,6 +9,6 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - uses: cachix/install-nix-action@v14
+    - uses: cachix/install-nix-action@v15
     #- run: nix flake check
     - run: nix-build -A checks.x86_64-linux.build -A checks.x86_64-linux.validate-openapi