diff --git a/hbase-checkstyle/src/main/resources/hbase/checkstyle.xml b/hbase-checkstyle/src/main/resources/hbase/checkstyle.xml
index b5c7c97f50e..c77d46b93fc 100644
--- a/hbase-checkstyle/src/main/resources/hbase/checkstyle.xml
+++ b/hbase-checkstyle/src/main/resources/hbase/checkstyle.xml
@@ -77,7 +77,15 @@
       <property name="processJavadoc" value="true"/>
     </module>
     <module name="IllegalImport">
-      <property name="illegalPkgs" value="com.google.common, io.netty, org.apache.curator.shaded, org.apache.htrace.shaded, org.apache.commons.cli, org.apache.commons.collections, org.apache.commons.collections4"/>
+      <property name="illegalPkgs" value="
+          com.google.common,
+          io.netty,
+          org.apache.commons.cli,
+          org.apache.commons.collections,
+          org.apache.commons.collections4,
+          org.apache.commons.lang,
+          org.apache.curator.shaded,
+          org.apache.htrace.shaded"/>
     </module>
     <!-- Javadoc Checks
     http://checkstyle.sourceforge.net/config_javadoc.html -->