diff --git a/build.properties b/build.properties
index b6774a6..fc984ea 100755
--- a/build.properties
+++ b/build.properties
@@ -3,12 +3,12 @@ exist.dir=../exist/
 
 # Extension details
 module.name=jfreechart
-module.version=0.3
+module.version=0.4
 module.title=JFreeChart
 
 # Build instructions
-javac.target=7
-javac.source=7
+javac.target=8
+javac.source=8
 
 # Proxy settings
 proxy.nonproxyhosts = 
@@ -17,4 +17,4 @@ proxy.port = 0
 proxy.password =
 proxy.user =
 proxy.socks.host =
-proxy.socks.port = 0
\ No newline at end of file
+proxy.socks.port = 0
diff --git a/config/application/expath-pkg.xml.tmpl b/config/application/expath-pkg.xml.tmpl
index df5981a..0188b14 100644
--- a/config/application/expath-pkg.xml.tmpl
+++ b/config/application/expath-pkg.xml.tmpl
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <package xmlns="http://expath.org/ns/pkg" name="http://exist-db.org/jfreechart-showcase" abbrev="jfreechart-showcase" version="@VERSION@" spec="1.0">
     <title>@TITLE@ Showcase</title>
+    <dependency processor="http://exist-db.org" semver-min="2.3.0"/>
     <dependency package="http://exist-db.org/apps/shared"/>
     <dependency package="http://exist-db.org/xquery/jfreechart" semver-min="@VERSION@"/>
 </package>
\ No newline at end of file
diff --git a/config/library/expath-pkg.xml.tmpl b/config/library/expath-pkg.xml.tmpl
index af6f901..a5e4744 100644
--- a/config/library/expath-pkg.xml.tmpl
+++ b/config/library/expath-pkg.xml.tmpl
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <package xmlns="http://expath.org/ns/pkg" name="http://exist-db.org/xquery/jfreechart" abbrev="jfreechart" version="@VERSION@" spec="1.0">
     <title>@TITLE@</title>
+    <dependency processor="http://exist-db.org" semver-min="2.3.0"/>
 </package>