diff --git a/src/dockerhub/dockerhub-reader.ts b/src/dockerhub/dockerhub-reader.ts
index fa7fec4..157b93b 100644
--- a/src/dockerhub/dockerhub-reader.ts
+++ b/src/dockerhub/dockerhub-reader.ts
@@ -14,7 +14,9 @@ export class DockerHubReader {
   private agent: https.Agent;
 
   constructor(private config: DockerHubConfiguration) {
-    this.agent = new https.Agent();
+    this.agent = new https.Agent({
+      maxSockets: 5,
+    });
   }
 
   // TODO: consider switching to API that requires no auth token: