diff --git a/packages/libczmq/01-support-ifaddrs.patch b/packages/libczmq/01-support-ifaddrs.patch
deleted file mode 100644
index 79c4eafc1..000000000
--- a/packages/libczmq/01-support-ifaddrs.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/include/czmq_prelude.h b/include/czmq_prelude.h
-index 8a1d7ea7..785ae052 100644
---- a/include/czmq_prelude.h
-+++ b/include/czmq_prelude.h
-@@ -286,9 +286,8 @@
- #   include <sys/un.h>
- #   include <sys/uio.h>             //  Let CZMQ build with libzmq/3.x
- #   include <netinet/in.h>          //  Must come before arpa/inet.h
--#   if (!defined (__UTYPE_ANDROID)) && (!defined (__UTYPE_IBMAIX)) \
--    && (!defined (__UTYPE_HPUX))
--#       include <ifaddrs.h>
-+#   if (!defined (__UTYPE_IBMAIX)) && (!defined (__UTYPE_HPUX))
-+#       include <ifaddrs.h>
- #   endif
- #   if defined (__UTYPE_SUNSOLARIS) || defined (__UTYPE_SUNOS)
- #       include <sys/sockio.h>
diff --git a/packages/libczmq/build.sh b/packages/libczmq/build.sh
index c073d3924..29424962b 100644
--- a/packages/libczmq/build.sh
+++ b/packages/libczmq/build.sh
@@ -2,9 +2,9 @@ TERMUX_PKG_HOMEPAGE=https://zeromq.org/
 TERMUX_PKG_DESCRIPTION="High-level C binding for ZeroMQ"
 TERMUX_PKG_LICENSE="MPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
-TERMUX_PKG_VERSION=4.2.0
+TERMUX_PKG_VERSION=4.2.1
 TERMUX_PKG_SRCURL=https://github.com/zeromq/czmq/releases/download/v${TERMUX_PKG_VERSION}/czmq-${TERMUX_PKG_VERSION}.tar.gz
-TERMUX_PKG_SHA256=cfab29c2b3cc8a845749758a51e1dd5f5160c1ef57e2a41ea96e4c2dcc8feceb
+TERMUX_PKG_SHA256=5d720a204c2a58645d6f7643af15d563a712dad98c9d32c1ed913377daa6ac39
 TERMUX_PKG_DEPENDS="libzmq, libsodium, liblz4, libuuid"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--enable-drafts=no"
 
@@ -12,4 +12,4 @@ termux_step_pre_configure() {
 	CFLAGS+=" -DCZMQ_HAVE_ANDROID=1"
 	LDFLAGS+=" -llog"
 	autoconf
-}
\ No newline at end of file
+}