diff --git a/CHANGELOG.md b/CHANGELOG.md
index d63e07548..451e04c15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ The changelog for SRS.
 
 ## SRS 4.0 Changelog
 
+* v4.0, 2021-06-30, Merge [#2440](https://github.com/ossrs/srs/pull/2440), fix [#2390](https://github.com/ossrs/srs/issues/2390), SRT bug for zerolatency. 4.0.137
 * v4.0, 2021-06-28, Merge [#2435](https://github.com/ossrs/srs/pull/2435), fix bug for HTTP-RAW-API to check vhost. 4.0.136
 * v4.0, 2021-06-28, Fix [#2431](https://github.com/ossrs/srs/issues/2431), configure FFmpeg bug. 4.0.135 
 * v4.0, 2021-06-28, Merge [#2444](https://github.com/ossrs/srs/pull/2444), add libavcodec/crystalhd.c for FFmpeg. 4.0.134
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index f9ba8dad6..df8223768 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       4
 #define VERSION_MINOR       0
-#define VERSION_REVISION    136
+#define VERSION_REVISION    137
 
 #endif