diff --git a/core/m4/sources b/core/m4/sources
index bde2eff2..313e1b34 100644
--- a/core/m4/sources
+++ b/core/m4/sources
@@ -1 +1 @@
-https://ftp.gnu.org/gnu/m4/m4-1.4.19.tar.xz
+https://ftp.gnu.org/gnu/m4/m4-VERSION.tar.xz