diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index ef778375..5182a7c8 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -11,7 +11,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v1
+        uses: DeterminateSystems/nix-installer-action@v4
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@vX
         with: