diff --git a/src/config.h b/src/config.h
index 91f4698a9..4a1d6b011 100644
--- a/src/config.h
+++ b/src/config.h
@@ -1,8 +1,8 @@
 #ifndef __LTP_CONFIG_H__
 #define __LTP_CONFIG_H__
 
-#define LTP_VERSION "3.3.2"
-#define LTP_COPYRIGHT "(C) 2012-2016 HIT-SCIR"
+#define LTP_VERSION "3.4.0"
+#define LTP_COPYRIGHT "(C) 2012-2017 HIT-SCIR"
 
 
 namespace ltp {