diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0739047..1c7fb14 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ add_library(boost_mp11 INTERFACE)
 add_library(Boost::mp11 ALIAS boost_mp11)
 
 target_include_directories(boost_mp11 INTERFACE include)
-target_compile_features(boost_mp11 INTERFACE cxx_alias_templates cxx_variadic_templates)
+target_compile_features(boost_mp11 INTERFACE cxx_alias_templates cxx_variadic_templates cxx_decltype)
 
 if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)