diff --git a/Golden_Repo/a/Autoconf/Autoconf-2.71.eb b/Golden_Repo/a/Autoconf/Autoconf-2.71.eb
index d56583ec0d6f1a96853776852af53ab9ae9a7ff8..b562522d9877fa7ff92dc74b2d12a24009db02fb 100644
--- a/Golden_Repo/a/Autoconf/Autoconf-2.71.eb
+++ b/Golden_Repo/a/Autoconf/Autoconf-2.71.eb
@@ -19,7 +19,7 @@ source_urls = [GNU_SOURCE]
 sources = [SOURCELOWER_TAR_XZ]
 checksums = ['f14c83cfebcc9427f2c3cea7258bd90df972d92eb26752da4ddad81c87a0faa4']
 
-dependencies = [('M4', '1.4.18')]
+dependencies = [('M4', '1.4.19')]
 
 sanity_check_paths = {
     'files': ["bin/%s" % x for x in ["autoconf", "autoheader", "autom4te", "autoreconf", "autoscan",