diff --git a/renovate.json b/renovate.json
index 7310555d5858665037833ce531fad8d39221fcb8..cf1dc7939f827563a520304883d2c29f778cc89f 100644
--- a/renovate.json
+++ b/renovate.json
@@ -1,6 +1,7 @@
 {
   "extends": [
     "config:recommended",
+    "customManagers:dockerfileVersions",
     "group:rubyOnRails"
   ],
   "packageRules": [