diff --git a/.github/workflows/update_flake_lock.yml b/.github/workflows/update_flake_lock.yml
new file mode 100644
index 0000000000..62934d25bc
--- /dev/null
+++ b/.github/workflows/update_flake_lock.yml
@@ -0,0 +1,21 @@
+name: Update Flake Lock File
+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@v4
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v5
+      - name: Update flake.lock
+        uses: DeterminateSystems/update-flake-lock@v20
+        with:
+          pr-title: "ci: update flake.lock" # Title of PR to be created
+          pr-labels: |                      # Labels to be set on the PR
+            dependencies
+            automated