diff -Nru codenarc-0.23/debian/build.properties codenarc-0.23/debian/build.properties
--- codenarc-0.23/debian/build.properties	2017-08-03 14:40:29.000000000 +0000
+++ codenarc-0.23/debian/build.properties	2018-03-29 10:48:16.000000000 +0000
@@ -2,6 +2,6 @@
 dir.build=../target
 dir.src=../src/main
 
-target=1.5
-source=1.5
+target=1.8
+source=1.8
 debug=on
diff -Nru codenarc-0.23/debian/changelog codenarc-0.23/debian/changelog
--- codenarc-0.23/debian/changelog	2017-08-23 20:03:27.000000000 +0000
+++ codenarc-0.23/debian/changelog	2018-03-29 10:50:46.000000000 +0000
@@ -1,3 +1,12 @@
+codenarc (0.23-5) unstable; urgency=medium
+
+  * Team upload.
+  * Fixed the build failure with Java 9 (Closes: #893118)
+  * Standards-Version updated to 4.1.3
+  * Switch to debhelper level 11
+
+ -- Emmanuel Bourg <ebourg@apache.org>  Thu, 29 Mar 2018 12:50:46 +0200
+
 codenarc (0.23-4) unstable; urgency=medium
 
   * Team upload.
diff -Nru codenarc-0.23/debian/compat codenarc-0.23/debian/compat
--- codenarc-0.23/debian/compat	2017-08-03 14:42:17.000000000 +0000
+++ codenarc-0.23/debian/compat	2018-03-29 10:50:33.000000000 +0000
@@ -1 +1 @@
-10
+11
diff -Nru codenarc-0.23/debian/control codenarc-0.23/debian/control
--- codenarc-0.23/debian/control	2017-08-03 14:45:36.000000000 +0000
+++ codenarc-0.23/debian/control	2018-03-29 10:50:33.000000000 +0000
@@ -4,7 +4,7 @@
 Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
 Uploaders: Damien Raude-Morvan <drazzib@debian.org>
 Build-Depends: ant,
-               debhelper (>= 10~),
+               debhelper (>= 11),
                default-jdk,
                default-jdk-doc,
                groovy,
@@ -13,7 +13,7 @@
                libgmetrics-groovy-java,
                liblog4j1.2-java,
                maven-repo-helper
-Standards-Version: 3.9.8
+Standards-Version: 4.1.3
 Vcs-Git: https://anonscm.debian.org/git/pkg-java/codenarc.git
 Vcs-Browser: https://anonscm.debian.org/cgit/pkg-java/codenarc.git
 Homepage: http://codenarc.sourceforge.net/