diff --git a/build.xml b/build.xml
index 4c1d097e6539fbe81c74dc442020df4f1fdc4940..bda65a97491e7c220f9cecb1a11a7fcfe019de03 100644
--- a/build.xml
+++ b/build.xml
@@ -29,7 +29,7 @@
   <property name="php-cs-fixers" value="no_blank_lines_before_namespaces,function_call_space,trailing_spaces,unused_use,lowercase_keywords,encoding,parenthesis,php_closing_tag,visibility,duplicate_semicolon,extra_empty_lines,no_blank_lines_after_class_opening,no_empty_lines_after_phpdocs,operators_spaces,spaces_before_semicolon,ternary_spaces,concat_with_spaces,short_array_syntax,phpdoc_no_access,remove_leading_slash_use,eof_ending" />
 
 
-  <property name="version" value="3.1.3" />
+  <property name="version" value="4.0" />
 
   <!-- We only need the -p switch if the password is non-blank -->
   <if><not><equals arg1="${mysqlrootpass}" arg2="" /></not><then>
diff --git a/config/vufind/config.ini b/config/vufind/config.ini
index 81f6a00ce9275ae970b37d4d037cd44da87b2946..8a79b62b643ca4fc5c5f2f06a8a00f0e16702f07 100644
--- a/config/vufind/config.ini
+++ b/config/vufind/config.ini
@@ -130,7 +130,7 @@ showBulkOptions = false
 ; Should users be allowed to save searches in their accounts?
 allowSavedSearches = true
 ; Generator value to display in an HTML header <meta> tag:
-generator = "VuFind 3.1.3"
+generator = "VuFind 4.0"
 
 ; This section allows you to configure the mechanism used for storing user
 ; sessions.  Available types: File, Memcache, Database.
diff --git a/package.json b/package.json
index f61c89e97efc9b3fbe5f812715a9da0711ad6711..07ee6e271dd7cd4f76cd16bec945bd25e462e85d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vufind",
-  "version": "3.1.2",
+  "version": "4.0.0",
   "description": "Dev tools to handle css preprocessing, js magic, and compression",
   "repository": {
     "type": "git",
diff --git a/packages/DEBIAN/changelog b/packages/DEBIAN/changelog
index 5bb619c7b69753c69189ce6ba328bb5368cbc148..a878985a73960b1275b2c737640e8c9b7085b61c 100644
--- a/packages/DEBIAN/changelog
+++ b/packages/DEBIAN/changelog
@@ -1,3 +1,9 @@
+vufind 4.0 distribution; urgency=low
+
+  * VuFind 4.0 release (see http://vufind.org/wiki/changelog for details) 
+
+ -- maintainer VuFind Project Administration Team <vufind-admins@lists.sourceforge.net>  Mo 10 Jul 2017 09:30:33 UTC
+
 vufind 3.1.3 distribution; urgency=low
 
   * VuFind 3.1.3 release (see http://vufind.org/wiki/changelog for details) 
diff --git a/packages/DEBIAN/control b/packages/DEBIAN/control
index 443a09a876ad9b845ee2e48420e325238b8f4ccf..ed69073ce08e98d06594ee48776415a78cad8b71 100644
--- a/packages/DEBIAN/control
+++ b/packages/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: vufind
-Version: 3.1.3
+Version: 4.0
 Section: World Wide Web
 Priority: Optional
 Architecture: all