diff --git a/CMakeLists.txt b/CMakeLists.txt
index 85289b2..f97464c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 cmake_minimum_required(VERSION 3.5...3.16)
 
-project(boost_mp11 VERSION 1.84.0 LANGUAGES CXX)
+project(boost_mp11 VERSION 1.85.0 LANGUAGES CXX)
 
 add_library(boost_mp11 INTERFACE)
 add_library(Boost::mp11 ALIAS boost_mp11)