diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 8fce4a5bae660a1d8f907999b5f7bac6fbcb10d6..26536e3d5086b9ed2431329dba10f4a7c48af431 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -351,6 +351,7 @@ const options: RenovateOptions[] = [
     experimental: true,
     experimentalIssues: [23286],
     default: {},
+    mergeable: true,
   },
   {
     name: 'dockerChildPrefix',