diff --git a/packages/mongodb-memory-server-core/src/util/getport/index.ts b/packages/mongodb-memory-server-core/src/util/getport/index.ts
index 97b6b3e4..ee23271f 100644
--- a/packages/mongodb-memory-server-core/src/util/getport/index.ts
+++ b/packages/mongodb-memory-server-core/src/util/getport/index.ts
@@ -88,6 +88,9 @@ export async function getFreePort(
         continue;
       }
 
+      // reset the cache time as we now have just added new ports
+      PORTS_CACHE.timeSet = Date.now();
+
       return triedPort;
     }
   }