diff --git a/apache-portlet-1.0-api-build.xml b/apache-portlet-1.0-api-build.xml
index 06c6b83..182d0cb 100644
--- a/apache-portlet-1.0-api-build.xml
+++ b/apache-portlet-1.0-api-build.xml
@@ -39,7 +39,7 @@
   <target name="compile" description="o Compile the code" depends="get-deps">
     <mkdir dir="${classesdir}">
     </mkdir>
-    <javac source="1.5" target="1.5" destdir="${classesdir}" deprecation="true" debug="true" optimize="false" excludes="**/package.html">
+    <javac source="1.6" target="1.6" destdir="${classesdir}" deprecation="true" debug="true" optimize="false" excludes="**/package.html">
       <src>
         <pathelement location="src/java">
         </pathelement>
@@ -98,7 +98,7 @@
     </property>
     <property name="title" value="Java Portlet API 1.0 API">
     </property>
-    <javadoc use="true" private="true" destdir="${javadocdir}" author="true" version="true" sourcepath="src/java" packagenames="javax.portlet.*">
+    <javadoc use="true" private="true" destdir="${javadocdir}" source="1.6" author="true" version="true" sourcepath="src/java" packagenames="javax.portlet.*">
       <classpath>
         <path refid="build.classpath">
         </path>
diff --git a/apache-portlet-1_0-api.changes b/apache-portlet-1_0-api.changes
index d754cc6..be68f4f 100644
--- a/apache-portlet-1_0-api.changes
+++ b/apache-portlet-1_0-api.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Sep 15 07:33:39 UTC 2017 - fstrba@suse.com
+
+- Fix build with jdk9: specify java source and target level 1.6
+
 -------------------------------------------------------------------
 Fri May 19 10:15:13 UTC 2017 - pcervinka@suse.com
 
diff --git a/apache-portlet-1_0-api.spec b/apache-portlet-1_0-api.spec
index f0199da..b30add9 100644
--- a/apache-portlet-1_0-api.spec
+++ b/apache-portlet-1_0-api.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package apache-portlet-1_0-api
 #
-# Copyright (c) 2017 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed