diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
index 47efe70e..a3036ca8 100644
--- a/.github/workflows/flake.yml
+++ b/.github/workflows/flake.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Check Nix flake inputs
-        uses: DeterminateSystems/flake-checker-action@v4 # This action
+        uses: DeterminateSystems/flake-checker-action@v5 # This action
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@v3
       - name: Build default package