diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 881afe6..ba11ee1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,6 +9,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4.2.2
-      - uses: DeterminateSystems/nix-installer-action@v17
+      - uses: DeterminateSystems/nix-installer-action@v18
       - run: nix build
       - run: nix flake check