diff --git a/configure.ac b/configure.ac
index 872f376ee..9d4a50a01 100644
--- a/configure.ac
+++ b/configure.ac
@@ -628,7 +628,7 @@ XEXT_LIB='$(top_builddir)/Xext/libXext.la'
 XEXTXORG_LIB='$(top_builddir)/Xext/libXextbuiltin.la'
 
 dnl Core modules for most extensions, et al.
-REQUIRED_MODULES="[randrproto >= 1.2] renderproto [fixesproto >= 4.0] [damageproto >= 1.1] xcmiscproto xextproto xproto xtrans [scrnsaverproto >= 1.1] bigreqsproto resourceproto fontsproto [inputproto >= 1.4] [kbproto >= 1.0.3]"
+REQUIRED_MODULES="[randrproto >= 1.2] renderproto [fixesproto >= 4.0] [damageproto >= 1.1] xcmiscproto xextproto xproto xtrans [scrnsaverproto >= 1.1] bigreqsproto resourceproto fontsproto [inputproto >= 1.4.2] [kbproto >= 1.0.3]"
 REQUIRED_LIBS="xfont xau fontenc"
 
 if test "x$DBUS" = xauto; then