diff --git a/include/boost/asio/version.hpp b/include/boost/asio/version.hpp
index 2bf3ffc0..096de000 100644
--- a/include/boost/asio/version.hpp
+++ b/include/boost/asio/version.hpp
@@ -18,6 +18,6 @@
 // BOOST_ASIO_VERSION % 100 is the sub-minor version
 // BOOST_ASIO_VERSION / 100 % 1000 is the minor version
 // BOOST_ASIO_VERSION / 100000 is the major version
-#define BOOST_ASIO_VERSION 100101 // 1.1.1
+#define BOOST_ASIO_VERSION 100200 // 1.2.0
 
 #endif // BOOST_ASIO_VERSION_HPP