diff --git a/include/boost/intrusive/detail/hook_traits.hpp b/include/boost/intrusive/detail/hook_traits.hpp
index b716436..0671348 100644
--- a/include/boost/intrusive/detail/hook_traits.hpp
+++ b/include/boost/intrusive/detail/hook_traits.hpp
@@ -28,6 +28,7 @@
 #include <boost/intrusive/detail/mpl.hpp>
 #include <boost/move/detail/to_raw_pointer.hpp>
 #include <boost/intrusive/detail/node_holder.hpp>
+#include <boost/assert.hpp>
 
 namespace boost {
 namespace intrusive {
diff --git a/include/boost/intrusive/detail/slist_iterator.hpp b/include/boost/intrusive/detail/slist_iterator.hpp
index d6ef336..9c5ee27 100644
--- a/include/boost/intrusive/detail/slist_iterator.hpp
+++ b/include/boost/intrusive/detail/slist_iterator.hpp
@@ -27,6 +27,7 @@
 #include <boost/intrusive/detail/std_fwd.hpp>
 #include <boost/intrusive/detail/iiterator.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
+#include <boost/static_assert.hpp>
 
 namespace boost {
 namespace intrusive {