diff --git a/lib/datasource/maven/util.ts b/lib/datasource/maven/util.ts
index 4151b4ff45ea5bc41a7f1e980c1bea2d6bf9b7bc..5ee395ab6742424b7d8bdbd31cb9382b1242bc8c 100644
--- a/lib/datasource/maven/util.ts
+++ b/lib/datasource/maven/util.ts
@@ -31,7 +31,9 @@ function isPermissionsIssue(err: { statusCode: number }): boolean {
 }
 
 function isConnectionError(err: { code: string }): boolean {
-  return err.code === 'ECONNREFUSED';
+  return (
+    err.code === 'ERR_TLS_CERT_ALTNAME_INVALID' || err.code === 'ECONNREFUSED'
+  );
 }
 
 export async function downloadHttpProtocol(