diff --git a/extras/tools/packages.mak b/extras/tools/packages.mak
index eae342e7bb0dca9cbd3f99c2072139820d372c45..1daab545bde315ec0919d648c7af9238aef713a4 100644
--- a/extras/tools/packages.mak
+++ b/extras/tools/packages.mak
@@ -18,7 +18,7 @@ AUTOCONF_URL=$(GNU)/autoconf/autoconf-$(AUTOCONF_VERSION).tar.gz
 AUTOMAKE_VERSION=1.15.1
 AUTOMAKE_URL=$(GNU)/automake/automake-$(AUTOMAKE_VERSION).tar.gz
 
-M4_VERSION=1.4.17
+M4_VERSION=1.4.18
 M4_URL=$(GNU)/m4/m4-$(M4_VERSION).tar.gz
 
 PKGCFG_VERSION=0.28-1