diff --git a/include/rtdef.h b/include/rtdef.h
index 2b6150fa418632d1242284ebf4f803e6409221d5..269dc2cecf244a5419cdc2641cf5efe1ae68c74e 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -26,6 +26,7 @@
  * 2018-09-14     Bernard      apply Apache License v2.0 to RT-Thread Kernel
  * 2018-12-28     armink       change version number to v3.1.2
  * 2019-03-14     armink       change version number to v3.1.3
+ * 2019-06-12     armink       change version number to v3.1.4
  */
 
 #ifndef __RT_DEF_H__
@@ -47,7 +48,7 @@ extern "C" {
 /* RT-Thread version information */
 #define RT_VERSION                      3L              /**< major version number */
 #define RT_SUBVERSION                   1L              /**< minor version number */
-#define RT_REVISION                     3L              /**< revise version number */
+#define RT_REVISION                     4L              /**< revise version number */
 
 /* RT-Thread version */
 #define RTTHREAD_VERSION                ((RT_VERSION * 10000) + \
diff --git a/src/Kconfig b/src/Kconfig
index 2ad1518054cec123aa929439d429f491f5c1df08..54881e8836acc6b13399051e0c64e8b85d0f1332 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -314,7 +314,7 @@ endmenu
 
 config RT_VER_NUM
     hex
-    default 0x30103
+    default 0x30104
     help
         RT-Thread version number