diff --git a/DESCRIPTION b/DESCRIPTION
index 49ebc34c4..b056909d1 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: nanonext
 Type: Package
 Title: NNG (Nanomsg Next Gen) Lightweight Messaging Library
-Version: 1.4.0
+Version: 1.4.0.9000
 Description: R binding for NNG (Nanomsg Next Gen), a successor to ZeroMQ. NNG is
     a socket library implementing 'Scalability Protocols', a reliable,
     high-performance standard for common communications patterns including
diff --git a/NEWS.md b/NEWS.md
index c50d78304..2ea57c809 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# nanonext 1.4.0.9000 (development)
+
 # nanonext 1.4.0
 
 #### New Features