diff --git a/renovate.json b/renovate.json
index b2f29f93884301115628ee27d3888a4e9a2cd186..66707a175d55e6f580209ce51434fda0ba6ecdc7 100644
--- a/renovate.json
+++ b/renovate.json
@@ -21,6 +21,7 @@
         "ghcr.io/rails/devcontainer/images/ruby"
       ],
       "groupName": "ruby"
-    }
+    },
+    {"matchPackageNames": ["tailwindcss-rails"], "allowedVersions": "<4.0"}
   ]
 }