diff --git a/src/test/java/com/github/nkzawa/engineio/client/Connection.java b/src/test/java/com/github/nkzawa/engineio/client/Connection.java
index 5f18d1f..df961ce 100644
--- a/src/test/java/com/github/nkzawa/engineio/client/Connection.java
+++ b/src/test/java/com/github/nkzawa/engineio/client/Connection.java
@@ -10,7 +10,7 @@ import java.util.concurrent.*;
 
 public abstract class Connection {
 
-    final static int TIMEOUT = 3000;
+    final static int TIMEOUT = 10000;
     final static int PORT = 3000;
 
     private Process serverProcess;