diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index 5529253..7b3bc37 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: DeterminateSystems/determinate-nix-action@v3.13.2
-      - uses: DeterminateSystems/update-flake-lock@v27
+      - uses: DeterminateSystems/update-flake-lock@v28
         with:
           pr-title: Update Nix flake inputs
           pr-labels: |