diff --git a/renovate.json b/renovate.json
index 111dc1b..7e12828 100644
--- a/renovate.json
+++ b/renovate.json
@@ -13,7 +13,8 @@
     {
       "groupName": "postgres",
       "description": "Group updates to postgres across drone ci, docker-compose.yml and other files",
-      "matchPackageNames": ["**postgres**"]
+      "matchPackageNames": ["postgres", "docker.io/library/postgres"],
+      "matchDatasources": ["docker"]
     },
     {
       "matchFileNames": [".tool-versions", "Dockerfile"],