diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 53aa3d7..5bc909c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v17
+      - uses: DeterminateSystems/nix-installer-action@v22
       - run: nix flake check
       - run: nix build
       - run: ./result/bin/co version