diff --git a/doc/src/Manual.txt b/doc/src/Manual.txt
index 077927ccc7..6b2c7daac7 100644
--- a/doc/src/Manual.txt
+++ b/doc/src/Manual.txt
@@ -1,7 +1,7 @@
 <!-- HTML_ONLY -->
 <HEAD>
 <TITLE>LAMMPS Users Manual</TITLE>
-<META NAME="docnumber" CONTENT="20 Apr 2018 version">
+<META NAME="docnumber" CONTENT="11 May 2018 version">
 <META NAME="author" CONTENT="http://lammps.sandia.gov - Sandia National Laboratories">
 <META NAME="copyright" CONTENT="Copyright (2003) Sandia Corporation. This software and manual is distributed under the GNU General Public License.">
 </HEAD>
@@ -19,7 +19,7 @@
 :line
 
 LAMMPS Documentation :c,h1
-20 Apr 2018 version :c,h2
+11 May 2018 version :c,h2
 
 Version info: :h3
 
diff --git a/src/version.h b/src/version.h
index eda788fad6..981ec8eeb8 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "20 Apr 2018"
+#define LAMMPS_VERSION "11 May 2018"
