diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0d95135..ec3b15d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Check Nix flake inputs
-        uses: DeterminateSystems/flake-checker-action@v4
+        uses: DeterminateSystems/flake-checker-action@v13
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@v3
       - name: Check flake