diff --git a/m4/moo-i18n.m4 b/m4/moo-i18n.m4
index e4f03897..ca922262 100644
--- a/m4/moo-i18n.m4
+++ b/m4/moo-i18n.m4
@@ -2,7 +2,7 @@
 # MOO_AC_I18N
 #
 AC_DEFUN([MOO_AC_I18N],[
-    AC_PROG_INTLTOOL([0.29])
+    AC_PROG_INTLTOOL([0.35])
 
     GETTEXT_PACKAGE=$1
     AC_SUBST(GETTEXT_PACKAGE)