diff --git a/README.md b/README.md
index a3e663510..3e5ee0be1 100755
--- a/README.md
+++ b/README.md
@@ -164,6 +164,7 @@ Please select according to languages:
 
 ### V3 changes
 
+* v3.0, 2019-04-25, Upgrade http-parser from 2.1 to 2.9.2 and cover it. 3.0.50
 * v3.0, 2019-04-22, Refine in time unit. 3.0.49
 * v3.0, 2019-04-07, Cover ST Coroutine and time unit. 3.0.48
 * v3.0, 2019-04-06, Merge [#1304][bug #1304], Fix ST coroutine pull error. 3.0.47
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 201263148..27eec767b 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -27,7 +27,7 @@
 // The version config.
 #define VERSION_MAJOR       3
 #define VERSION_MINOR       0
-#define VERSION_REVISION   49
+#define VERSION_REVISION   50
 
 // The macros generated by configure script.
 #include <srs_auto_headers.hpp>