diff --git a/.github/renovate.json b/.github/renovate.json
new file mode 100644
index 00000000..1a459668
--- /dev/null
+++ b/.github/renovate.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:base"],
+  "nix": {
+    "enabled": true
+  },
+  "lockFileMaintenance": {
+    "enabled": true,
+    "automerge": true
+  },
+  "schedule": ["before 4am every sunday"]
+}
diff --git a/.github/workflows/upgrade-flakes.yaml b/.github/workflows/upgrade-flakes.yaml
deleted file mode 100644
index 4e4e0b9d..00000000
--- a/.github/workflows/upgrade-flakes.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: Update Flake lockfile
-on:
-  workflow_dispatch: # allows manual triggering
-  schedule:
-    - cron: "51 2 * * 0"
-
-jobs:
-  lockfile:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-
-      - name: Install Nix
-        uses: cachix/install-nix-action@v22
-
-      - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v19