diff --git a/README.md b/README.md
index 1c5434c19..1fd12e5ee 100755
--- a/README.md
+++ b/README.md
@@ -344,6 +344,7 @@ Remark:
 
 ### SRS 2.0 history
 
+* v2.0, 2015-07-14, refine hls disable the time jitter, support not mix monotonically increase. 2.0.177
 * v2.0, 2015-07-01, fix [#433](https://github.com/simple-rtmp-server/srs/issues/433) fix the sps parse bug. 2.0.176
 * v2.0, 2015-06-10, fix [#425](https://github.com/simple-rtmp-server/srs/issues/425) refine the time jitter, correct (-inf,-250)+(250,+inf) to 10ms. 2.0.175
 * v2.0, 2015-06-10, fix [#424](https://github.com/simple-rtmp-server/srs/issues/424) fix aggregate timestamp bug. 2.0.174
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index edfbf462a..10d9e060c 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       0
-#define VERSION_REVISION    176
+#define VERSION_REVISION    177
 
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"