diff --git a/saxon6.changes b/saxon6.changes
index 24ff672..d4cba90 100644
--- a/saxon6.changes
+++ b/saxon6.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Sep 18 17:51:41 UTC 2017 - fstrba@suse.com
+
+- Specify java source and target 1.6 to fix build with jdk9
+
 -------------------------------------------------------------------
 Fri May 19 17:10:09 UTC 2017 - tchvatal@suse.com
 
diff --git a/saxon6.spec b/saxon6.spec
index 05e1d2d..3727639 100644
--- a/saxon6.spec
+++ b/saxon6.spec
@@ -157,7 +157,7 @@ rm -rf *.jar docs/api
 export LC_ALL=en_US.ISO-8859-2
 export CLASSPATH=%(build-classpath xml-commons-apis xmlgraphics-fop jdom)
 ant \
-  -Dant.build.javac.source=1.5 -Dant.build.javac.target=1.5 \
+  -Dant.build.javac.source=1.6 -Dant.build.javac.target=1.6 \
   -Dj2se.javadoc=%{_javadocdir}/java \
   -Dfop.javadoc=%{_javadocdir}/fop \
   -Djdom.javadoc=%{_javadocdir}/jdom