diff --git a/lib/RpcClient.js b/lib/RpcClient.js
index 8d506bb..909a082 100644
--- a/lib/RpcClient.js
+++ b/lib/RpcClient.js
@@ -163,6 +163,7 @@ function rpc(request, callback) {
     path: '/',
     method: 'POST',
     port: self.port,
+    rejectUnauthorized: false,
     agent: self.disableAgent ? false : undefined,
   };
   if (self.httpOptions) {