diff --git a/.github/workflows/check-flake.yml b/.github/workflows/check-flake.yml
index 6f77b761..f2b1840f 100644
--- a/.github/workflows/check-flake.yml
+++ b/.github/workflows/check-flake.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: DeterminateSystems/nix-installer-action@main
       - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Check Nix flake inputs
-        uses: DeterminateSystems/flake-checker-action@v8
+        uses: DeterminateSystems/flake-checker-action@v9
         with:
           fail-mode: true
           send-statistics: false