diff --git a/apache-commons-lang3.changes b/apache-commons-lang3.changes
index 8b44f2b..0680650 100644
--- a/apache-commons-lang3.changes
+++ b/apache-commons-lang3.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Mon Oct  9 06:45:42 UTC 2017 - fstrba@suse.com
+
+- Modified patch:
+  * commons-lang3-3.4-javadoc.patch
+    + Fix build with jdk9
+- Allow building with jdk9 too
+- Run fdupes on javadoc
+
 -------------------------------------------------------------------
 Thu Sep 14 12:45:49 UTC 2017 - fstrba@suse.com
 
diff --git a/apache-commons-lang3.spec b/apache-commons-lang3.spec
index 969eb07..25b934a 100644
--- a/apache-commons-lang3.spec
+++ b/apache-commons-lang3.spec
@@ -24,18 +24,18 @@ Release:        0
 Summary:        Apache Commons Lang Package
 License:        Apache-2.0
 Group:          Development/Libraries/Java
-Url:            http://commons.apache.org/%{base_name}
+URL:            http://commons.apache.org/%{base_name}
 Source0:        http://archive.apache.org/dist/commons/%{base_name}/source/%{short_name}-%{version}-src.tar.gz
 Patch0:         commons-lang3-3.4-javadoc.patch
 BuildRequires:  ant
 BuildRequires:  ant-junit
-BuildRequires:  java-devel >= 1.6.0
+BuildRequires:  fdupes
+BuildRequires:  java-devel >= 1.6
 BuildRequires:  javapackages-local
 BuildRequires:  javapackages-tools
 BuildRequires:  junit
 Provides:       %{short_name} = %{version}-%{release}
 BuildArch:      noarch
-BuildConflicts: java-devel >= 1.9
 
 %description
 The standard Java libraries fail to provide enough methods for
@@ -83,6 +83,7 @@ cp -p pom.xml %{buildroot}%{_mavenpomdir}/JPP-%{name}.pom
 # javadoc
 mkdir -p %{buildroot}%{_javadocdir}/%{name}
 cp -pr target/apidocs/* %{buildroot}%{_javadocdir}/%{name}/
+%fdupes -s %{buildroot}%{_javadocdir}/%{name}/
 
 %files
 %doc LICENSE.txt NOTICE.txt RELEASE-NOTES.txt
diff --git a/commons-lang3-3.4-javadoc.patch b/commons-lang3-3.4-javadoc.patch
index 5f8d472..7a481f4 100644
--- a/commons-lang3-3.4-javadoc.patch
+++ b/commons-lang3-3.4-javadoc.patch
@@ -1,9 +1,10 @@
 --- commons-lang3-3.4-src/build.xml	2015-04-03 14:28:37.000000000 +0200
-+++ commons-lang3-3.4-src/build.xml	2017-09-14 14:21:42.537312381 +0200
-@@ -124,8 +124,6 @@
++++ commons-lang3-3.4-src/build.xml	2017-10-09 08:38:44.281345802 +0200
+@@ -123,9 +123,6 @@
+                  use="true"
                   encoding="${compile.encoding}"
                   source="${compile.source}">
-             <classpath refid="compile.classpath"/>
+-            <classpath refid="compile.classpath"/>
 -            <link href="${jdk.javadoc}"/>
 -            <link href="${collections.javadoc}"/>
          </javadoc>