diff --git a/README.md b/README.md
index e4f05b3d2..bdd34cbfc 100755
--- a/README.md
+++ b/README.md
@@ -155,6 +155,7 @@ For previous versions, please read:
 
 ## V4 changes
 
+* v4.0, 2021-01-08, HTML5 video tag resolution adaptive. 4.0.59
 * v4.0, 2021-01-08, Fix memory leak and bugs for RTC. 4.0.58
 * v4.0, 2021-01-06, Merge #2109, Refine srs_string_split.
 * v4.0, 2021-01-06, Merge #2109, Fix bugs for GB28181.
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index ed4ffa806..603d1bab4 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 58
+#define SRS_VERSION4_REVISION 59
 
 #endif