diff --git a/include/boost/detail/call_traits.hpp b/include/boost/detail/call_traits.hpp
index 0b1cfa3..c1fd918 100644
--- a/include/boost/detail/call_traits.hpp
+++ b/include/boost/detail/call_traits.hpp
@@ -95,7 +95,7 @@ struct call_traits<T&>
    typedef T& param_type;  // hh removed const
 };
 
-#if defined(__BORLANDC__) && (__BORLANDC__ <= 0x551)
+#if defined(__BORLANDC__) && (__BORLANDC__ <= 0x560)
 // these are illegal specialisations; cv-qualifies applied to
 // references have no effect according to [8.3.2p1],
 // C++ Builder requires them though as it treats cv-qualified
diff --git a/include/boost/ref.hpp b/include/boost/ref.hpp
index 9a6fbc5..60a834b 100644
--- a/include/boost/ref.hpp
+++ b/include/boost/ref.hpp
@@ -52,7 +52,7 @@ private:
     T* t_;
 };
 
-# if defined(__BORLANDC__) && (__BORLANDC__ <= 0x551)
+# if defined(__BORLANDC__) && (__BORLANDC__ <= 0x560)
 #  define BOOST_REF_CONST
 # else
 #  define BOOST_REF_CONST const