diff --git a/NEWS b/NEWS
index b2cd98f5..82394c3f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-0MQ version 4.3.1 stable, released on 20xx/xx/xx
+0MQ version 4.3.0 stable, released on 20xx/xx/xx
 ================================================
 
 * The following DRAFT APIs have been marked as STABLE and will not change
diff --git a/include/zmq.h b/include/zmq.h
index 3a785dcf..f0a2c2f6 100644
--- a/include/zmq.h
+++ b/include/zmq.h
@@ -41,7 +41,7 @@
 /*  Version macros for compile-time API version detection                     */
 #define ZMQ_VERSION_MAJOR 4
 #define ZMQ_VERSION_MINOR 3
-#define ZMQ_VERSION_PATCH 1
+#define ZMQ_VERSION_PATCH 0
 
 #define ZMQ_MAKE_VERSION(major, minor, patch)                                  \
     ((major) *10000 + (minor) *100 + (patch))
diff --git a/packaging/debian/changelog b/packaging/debian/changelog
index 28d3fc85..ae46b071 100644
--- a/packaging/debian/changelog
+++ b/packaging/debian/changelog
@@ -1,4 +1,4 @@
-zeromq (4.3.1) UNRELEASED; urgency=low
+zeromq (4.3.0) UNRELEASED; urgency=low
 
   * Initial packaging.
 
diff --git a/packaging/debian/zeromq.dsc.obs b/packaging/debian/zeromq.dsc.obs
index cb53433a..b6fb5b87 100644
--- a/packaging/debian/zeromq.dsc.obs
+++ b/packaging/debian/zeromq.dsc.obs
@@ -2,7 +2,7 @@ Format: 3.0 (quilt)
 Source: zeromq
 Binary: libzmq5, libzmq3-dev, libzmq5-dbg
 Architecture: any
-Version: 4.3.1
+Version: 4.3.0
 Maintainer: libzmq Developers <zeromq-dev@lists.zeromq.org>
 Homepage: http://www.zeromq.org/
 Standards-Version: 3.9.8
diff --git a/packaging/redhat/zeromq.spec b/packaging/redhat/zeromq.spec
index dbec12b4..405760ca 100644
--- a/packaging/redhat/zeromq.spec
+++ b/packaging/redhat/zeromq.spec
@@ -10,7 +10,7 @@
 %endif
 %define lib_name libzmq5
 Name:          zeromq
-Version:       4.3.1
+Version:       4.3.0
 Release:       1%{?dist}
 Summary:       The ZeroMQ messaging library
 Group:         Applications/Internet