diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index ec5323d..12f36cc 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - uses: DeterminateSystems/determinate-nix-action@v3.13.0
-      - uses: DeterminateSystems/update-flake-lock@v27
+      - uses: DeterminateSystems/update-flake-lock@v28
         with:
           pr-title: Update Nix flake inputs
           pr-labels: |