diff --git a/include/boost/config/compiler/gcc.hpp b/include/boost/config/compiler/gcc.hpp
index 19ccc592..5ae60ccd 100644
--- a/include/boost/config/compiler/gcc.hpp
+++ b/include/boost/config/compiler/gcc.hpp
@@ -346,8 +346,8 @@
 #  error "Compiler not configured - please reconfigure"
 #endif
 //
-// last known and checked version is 7.1:
-#if (BOOST_GCC_VERSION > 70100)
+// last known and checked version is 8.1:
+#if (BOOST_GCC_VERSION > 80100)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Boost.Config is older than your compiler - please check for an updated Boost release."
 #  else