diff --git a/CMakeLists.txt b/CMakeLists.txt
index 939e71b..85289b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 cmake_minimum_required(VERSION 3.5...3.16)
 
-project(boost_mp11 VERSION 1.83.0 LANGUAGES CXX)
+project(boost_mp11 VERSION 1.84.0 LANGUAGES CXX)
 
 add_library(boost_mp11 INTERFACE)
 add_library(Boost::mp11 ALIAS boost_mp11)
diff --git a/include/boost/mp11/version.hpp b/include/boost/mp11/version.hpp
index 0912665..ab5e09c 100644
--- a/include/boost/mp11/version.hpp
+++ b/include/boost/mp11/version.hpp
@@ -11,6 +11,6 @@
 // Same format as BOOST_VERSION:
 //   major * 100000 + minor * 100 + patch
 
-#define BOOST_MP11_VERSION 108300
+#define BOOST_MP11_VERSION 108400
 
 #endif // #ifndef BOOST_MP11_VERSION_HPP_INCLUDED