diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 23c4cb3..4e7866c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,3 +5,7 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+  - package-ecosystem: "nix"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
deleted file mode 100644
index b4e5e65..0000000
--- a/.github/workflows/update.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: update-flake-lock
-on:
-  workflow_dispatch: # allows manual triggering
-  schedule:
-    - cron: '0 0 * * 0' # runs weekly on Sunday at 00:00
-
-jobs:
-  lockfile:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v6
-      - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@main
-      - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@main
-        with:
-          token: ${{ secrets.PAT }}
-          pr-title: "chore(deps): update flake.lock" # Title of PR to be created
-          pr-labels: |                  # Labels to be set on the PR
-            dependencies
-            automated
-          commit-msg: "chore(deps): update flake.lock"
-      - uses: reitermarkus/automerge@v2
-        with:
-          token: ${{ secrets.PAT }}
-          merge-method: squash
-          pull-request: ${{ github.event.inputs.pull-request }}