diff --git a/srcpkgs/mbuffer/template b/srcpkgs/mbuffer/template
index 2298efe7e4d..9c394602219 100644
--- a/srcpkgs/mbuffer/template
+++ b/srcpkgs/mbuffer/template
@@ -1,6 +1,6 @@
 # Template file for 'mbuffer'
 pkgname=mbuffer
-version=20210829
+version=20211004
 revision=1
 build_style=gnu-configure
 hostmakedepends="which"
@@ -11,5 +11,5 @@ maintainer="Diogo Leal <diogo@diogoleal.com>"
 license="GPL-3.0-or-later"
 homepage="https://www.maier-komor.de/mbuffer.html"
 distfiles="https://www.maier-komor.de/software/mbuffer/mbuffer-${version}.tgz"
-checksum=74e6f01c716147128d1c7ba0a8f01bf3df67415d67d90ac8c39892514cbc69ae
+checksum=2a8b6b3466d41e6c0dde32ce09eec672525ca9a5cf4150b9a0e9f5c65ee89942
 conf_files="/etc/mbuffer.rc"