diff --git a/README.md b/README.md
index da76c363a..53fbc2005 100755
--- a/README.md
+++ b/README.md
@@ -153,6 +153,7 @@ For previous versions, please read:
 
 ## V4 changes
 
+* v4.0, 2020-02-18, For [#1579][bug #1579], support gracefully quit and force to. 4.0.5
 * v4.0, 2020-02-13, SRT supports detail config for [DynamicEncoding](https://github.com/runner365/srt_encoder). 4.0.4
 * v4.0, 2020-02-04, Update project code. 4.0.3
 * v4.0, 2020-01-26, Allow use libsrt.so for SRT is MPL license. 4.0.2
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index 208807ee9..7677a2d67 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -24,6 +24,6 @@
 #ifndef SRS_CORE_VERSION4_HPP
 #define SRS_CORE_VERSION4_HPP
 
-#define SRS_VERSION4_REVISION 4
+#define SRS_VERSION4_REVISION 5
 
 #endif