diff --git a/CMakeLists.txt b/CMakeLists.txt
index 953d8b145..9f1158b6c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.7)
 project(libdatachannel
-	VERSION 0.20.3
+	VERSION 0.21.0
 	LANGUAGES CXX)
 set(PROJECT_DESCRIPTION "C/C++ WebRTC network library featuring Data Channels, Media Transport, and WebSockets")
 
diff --git a/include/rtc/version.h b/include/rtc/version.h
index ff74b435b..6d0535052 100644
--- a/include/rtc/version.h
+++ b/include/rtc/version.h
@@ -2,8 +2,8 @@
 #define RTC_VERSION_H
 
 #define RTC_VERSION_MAJOR 0
-#define RTC_VERSION_MINOR 20
-#define RTC_VERSION_PATCH 3
-#define RTC_VERSION "0.20.3"
+#define RTC_VERSION_MINOR 21
+#define RTC_VERSION_PATCH 0
+#define RTC_VERSION "0.21.0"
 
 #endif