diff --git a/.github/workflows/check-maintainers-sorted.yaml b/.github/workflows/check-maintainers-sorted.yaml
index 2c2473250d82..fc03988b068d 100644
--- a/.github/workflows/check-maintainers-sorted.yaml
+++ b/.github/workflows/check-maintainers-sorted.yaml
@@ -16,7 +16,7 @@ jobs:
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
-      - uses: cachix/install-nix-action@v19
+      - uses: cachix/install-nix-action@v20
         with:
           # explicitly enable sandbox
           extra_nix_config: sandbox = true