diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index e97915e..8f1ebd3 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -15,7 +15,7 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v9
+      - uses: DeterminateSystems/nix-installer-action@v12
       - uses: DeterminateSystems/update-flake-lock@v20
         with:
           pr-title: "chore: update flake.lock"