diff --git a/core/m4/checksums b/core/m4/checksums
index 38446b24..e413a199 100644
--- a/core/m4/checksums
+++ b/core/m4/checksums
@@ -1 +1 @@
-f2c1e86ca0a404ff281631bdc8377638992744b175afb806e25871a24a934e07
+63aede5c6d33b6d9b13511cd0be2cac046f2e70fd0a07aa9573a04a82783af96
diff --git a/core/m4/sources b/core/m4/sources
index 07be0f71..bde2eff2 100644
--- a/core/m4/sources
+++ b/core/m4/sources
@@ -1 +1 @@
-https://ftp.gnu.org/gnu/m4/m4-1.4.18.tar.xz
+https://ftp.gnu.org/gnu/m4/m4-1.4.19.tar.xz
diff --git a/core/m4/version b/core/m4/version
index 4920469b..b97669c6 100644
--- a/core/m4/version
+++ b/core/m4/version
@@ -1 +1 @@
-1.4.18 2
+1.4.19 1