diff --git a/test/integer_mask_test.cpp b/test/integer_mask_test.cpp
index 7f8e69f..9216c29 100644
--- a/test/integer_mask_test.cpp
+++ b/test/integer_mask_test.cpp
@@ -10,7 +10,7 @@
 //  Revision History
 //  23 Sep 2001  Initial version (Daryle Walker)
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 #include <boost/cstdlib.hpp>               // for boost::exit_success
 #include <boost/integer/integer_mask.hpp>  // for boost::high_bit_mask_t, etc.
diff --git a/test/integer_test.cpp b/test/integer_test.cpp
index 15a5ce4..d8f6203 100644
--- a/test/integer_test.cpp
+++ b/test/integer_test.cpp
@@ -15,7 +15,7 @@
 //   10 Mar 01  Boost Test Library now used for tests (Beman Dawes)
 //   31 Aug 99  Initial version
 
-#include <boost/detail/lightweight_test.hpp>  // for main, BOOST_TEST
+#include <boost/core/lightweight_test.hpp>  // for main, BOOST_TEST
 #include <boost/integer.hpp>  // for boost::int_t, boost::uint_t
 #include <boost/type_traits/is_same.hpp>
 #include <boost/mpl/bool.hpp> // for mpl::true_ and false_
diff --git a/test/integer_traits_test.cpp b/test/integer_traits_test.cpp
index ab043f4..7932f23 100644
--- a/test/integer_traits_test.cpp
+++ b/test/integer_traits_test.cpp
@@ -17,7 +17,7 @@
 // use int64_t instead of long long for better portability
 #include <boost/cstdint.hpp>
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 /*
  * General portability note:
diff --git a/test/static_log2_test.cpp b/test/static_log2_test.cpp
index 1cdf064..352dd04 100644
--- a/test/static_log2_test.cpp
+++ b/test/static_log2_test.cpp
@@ -10,7 +10,7 @@
 //  Revision History
 //  01 Oct 2001  Initial version (Daryle Walker)
 
-#include <boost/detail/lightweight_test.hpp>  // for main
+#include <boost/core/lightweight_test.hpp>  // for main
 
 #include <boost/cstdlib.hpp>              // for boost::exit_success
 #include <boost/integer/static_log2.hpp>  // for boost::static_log2
diff --git a/test/static_min_max_test.cpp b/test/static_min_max_test.cpp
index 6309294..91fcbec 100644
--- a/test/static_min_max_test.cpp
+++ b/test/static_min_max_test.cpp
@@ -10,7 +10,7 @@
 //  Revision History
 //  23 Sep 2001  Initial version (Daryle Walker)
 
-#include <boost/detail/lightweight_test.hpp>  // for main, BOOST_TEST
+#include <boost/core/lightweight_test.hpp>  // for main, BOOST_TEST
 
 #include <boost/cstdlib.hpp>                 // for boost::exit_success
 #include <boost/integer/static_min_max.hpp>  // for boost::static_signed_min, etc.