diff --git a/lib/datasource/pypi.js b/lib/datasource/pypi.js
index afed0bbb7e7db457f9dafbcf0a67e2ab81c97c71..77819b6622ed74d0ed6fee6ca7705ada35949e85 100644
--- a/lib/datasource/pypi.js
+++ b/lib/datasource/pypi.js
@@ -47,6 +47,11 @@ async function getPkgReleases(purl, config = {}) {
         dependency.homepage = dep.info.home_page;
       }
     }
+    const manualRepositories = {
+      mkdocs: 'https://github.com/mkdocs/mkdocs',
+    };
+    dependency.repositoryUrl =
+      dependency.repositoryUrl || manualRepositories[depName];
     dependency.releases = [];
     if (dep.releases) {
       const versions = Object.keys(dep.releases)