diff --git a/.github/workflows/validate-renovate.yml b/.github/workflows/validate-renovate.yml
new file mode 100644
index 0000000..ac741d0
--- /dev/null
+++ b/.github/workflows/validate-renovate.yml
@@ -0,0 +1,21 @@
+name: validate renovate.json
+
+on:
+  pull_request:
+
+env:
+  LOG_LEVEL: debug
+
+jobs:
+  renovate-config-validator:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+
+      - uses: actions/setup-node@8f152de45cc393bb48ce5d89d36b731f54556e65 # v4
+        with:
+          node-version: 20
+
+      - run: npx -p renovate renovate-config-validator renovate.json
diff --git a/renovate.json b/renovate.json
index 99c6282..beb69d4 100644
--- a/renovate.json
+++ b/renovate.json
@@ -10,10 +10,14 @@
       ],
       "matchUpdateTypes": [
         "minor",
-        "patch"
+        "patch",
+        "digest"
       ],
       "groupName": "all non-major dependencies",
-      "groupSlug": "all-minor-patch"
+      "groupSlug": "all-minor-patch",
+      "schedule": [
+        "after 6pm on friday"
+      ]
     }
   ]
 }