diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index 96b6f5e..9bd9ebf 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -39,7 +39,7 @@ jobs:
       with:
         nix_path: nixpkgs=channel:nixos-unstable
 
-    - uses: DeterminateSystems/update-flake-lock@834c491b2ece4de0bbd00d85214bb5e83b4da5c6 # v28
+    - uses: DeterminateSystems/update-flake-lock@da03c0f078bc4b2c37ee4f7e072d34bf8f188bb3 # v29
       with:
         token: ${{ steps.app-token.outputs.token }}
         commit-msg: "build(deps): update nix flake inputs"