diff --git a/lib/datasource/rubygems/get-rubygems-org.js b/lib/datasource/rubygems/get-rubygems-org.js
index ae65ed6f0c9609197b1f3808313a6acf6c7efb4d..032818bdaab584a0a45a43a6820bf727ac378856 100644
--- a/lib/datasource/rubygems/get-rubygems-org.js
+++ b/lib/datasource/rubygems/get-rubygems-org.js
@@ -80,10 +80,12 @@ async function syncVersions() {
     global.updateRubyGemsVersions =
       global.updateRubyGemsVersions || updateRubyGemsVersions();
     await global.updateRubyGemsVersions;
+    delete global.updateRubyGemsVersions;
   }
 }
 
 async function getRubygemsOrgDependency(lookupName) {
+  logger.debug(`getRubygemsOrgDependency(${lookupName})`);
   await syncVersions();
   if (!packageReleases[lookupName]) {
     return null;