diff --git a/srcpkgs/czmq/template b/srcpkgs/czmq/template
index b1754d5768..712fbade50 100644
--- a/srcpkgs/czmq/template
+++ b/srcpkgs/czmq/template
@@ -1,7 +1,7 @@
 # Template file for 'czmq'
 pkgname=czmq
-version=4.2.0
-revision=2
+version=4.2.1
+revision=1
 build_style=gnu-configure
 hostmakedepends="asciidoc automake libtool pkg-config xmlto"
 makedepends="libuuid-devel zeromq-devel"
@@ -10,7 +10,7 @@ maintainer="Toyam Cox <Vaelatern@voidlinux.org>"
 license="MPL-2.0"
 homepage="http://czmq.zeromq.org/"
 distfiles="https://github.com/zeromq/czmq/archive/v${version}.tar.gz"
-checksum=31185090b500b64855003be2450ced00efa6b58544639acfc68aa13c9ec249f8
+checksum=83457cd32a2c2615b8d7ebcf91b198cb0d8df383a2072b96835ab250164d8a83
 
 pre_configure() {
 	./autogen.sh