diff --git a/NEWS b/NEWS
index cafca0e4..614a3c71 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-0MQ version 4.0.9 stable, released on 2016/xx/xx
+0MQ version 4.0.9 stable, released on 2019/07/08
 ================================================
 
 * CVE-2019-13132: a remote, unauthenticated client connecting to a
diff --git a/configure.ac b/configure.ac
index a32ec2e1..75fbdcd3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,9 +31,10 @@ AC_SUBST(PACKAGE_VERSION)
 # ZeroMQ version 3.1: 3:0:0 (ABI version 3)
 # ZeroMQ version 4.0: 4:0:0 (ABI version 4)
 # ZeroMQ version 4.0.8: 4:1:0 (ABI version 4)
+# ZeroMQ version 4.0.9: 4:2:0 (ABI version 4)
 #
 # libzmq -version-info current:revision:age
-LTVER="4:1:0"
+LTVER="4:2:0"
 AC_SUBST(LTVER)
 
 # Take a copy of original flags