diff --git a/configure.ac b/configure.ac
index 7aa8b8282..3f01cdc8c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -956,7 +956,7 @@ AM_CONDITIONAL(BUILD_CXX, [test "x$nc_build_cxx" = xyes])
 
 # Set up libtool.
 AC_MSG_NOTICE([setting up libtool])
-LT_PREREQ([2.2])
+LT_PREREQ([2.4])
 #LT_INIT
 #LT_INIT(win32-dll)
 AC_PROG_LIBTOOL