diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index e5a410a3107..bfdac1a9c3f 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -47,3 +47,19 @@ updates:
           - minor
           - patch
     open-pull-requests-limit: 5
+
+  # Docker base images (root Dockerfiles)
+  - package-ecosystem: docker
+    directory: /
+    schedule:
+      interval: weekly
+    cooldown:
+      default-days: 7
+    groups:
+      docker-images:
+        patterns:
+          - "*"
+        update-types:
+          - minor
+          - patch
+    open-pull-requests-limit: 5