diff --git a/src/upstreamproxy/upstreamproxy.ts b/src/upstreamproxy/upstreamproxy.ts
index 9aa3c67..d0c8e68 100644
--- a/src/upstreamproxy/upstreamproxy.ts
+++ b/src/upstreamproxy/upstreamproxy.ts
@@ -283,3 +283,4 @@ async function downloadCaBundle(
     return false
   }
 }
+