diff --git a/include/boost/exception/diagnostic_information.hpp b/include/boost/exception/diagnostic_information.hpp
index b5496d3..51fea95 100644
--- a/include/boost/exception/diagnostic_information.hpp
+++ b/include/boost/exception/diagnostic_information.hpp
@@ -9,7 +9,7 @@
 #include <boost/config.hpp>
 #include <boost/exception/get_error_info.hpp>
 #include <boost/exception/info.hpp>
-#include <boost/utility/enable_if.hpp>
+#include <boost/core/enable_if.hpp>
 #ifndef BOOST_NO_RTTI
 #include <boost/core/demangle.hpp>
 #endif
diff --git a/include/boost/exception/to_string.hpp b/include/boost/exception/to_string.hpp
index 9a2c057..49f1b18 100644
--- a/include/boost/exception/to_string.hpp
+++ b/include/boost/exception/to_string.hpp
@@ -6,7 +6,7 @@
 #ifndef BOOST_EXCEPTION_7E48761AD92811DC9011477D56D89593
 #define BOOST_EXCEPTION_7E48761AD92811DC9011477D56D89593
 
-#include <boost/utility/enable_if.hpp>
+#include <boost/core/enable_if.hpp>
 #include <boost/exception/detail/is_output_streamable.hpp>
 #include <sstream>