diff --git a/jsr-305-ri-build.xml b/jsr-305-ri-build.xml
index e200c46..8fbb169 100644
--- a/jsr-305-ri-build.xml
+++ b/jsr-305-ri-build.xml
@@ -92,18 +92,18 @@
          index="false" 
          basedir="${build.outputDir}" 
          excludes="**/package.html">
-	  <manifest>
+      <manifest>
         <attribute name="Bundle-Description" value="${project.description}"/>
-		<attribute name="Bundle-License" value="https://opensource.org/licenses/BSD-3-Clause"/>
-		<attribute name="Bundle-ManifestVersion" value="2"/>
+        <attribute name="Bundle-License" value="https://opensource.org/licenses/BSD-3-Clause"/>
+        <attribute name="Bundle-ManifestVersion" value="2"/>
         <attribute name="Bundle-Name" value="${project.name}"/>
-		<attribute name="Bundle-SymbolicName" value="org.jsr-305"/>
-		<attribute name="Bundle-Version" value="${project.version}"/>
-		<attribute name="Export-Package" value="javax.annotation;uses:=&quot;javax.annotation.meta&quot;;version=&quot;${project.version}&quot;,javax.annotation.concurrent;version=&quot;${project.version}&quot;,javax.annotation.meta;uses:=&quot;javax.annotation&quot;;version=&quot;${project.version}&quot;"/>
-		<attribute name="Import-Package" value="javax.annotation,javax.annotation.meta"/>
+        <attribute name="Bundle-SymbolicName" value="org.jsr-305"/>
+        <attribute name="Bundle-Version" value="${project.version}"/>
+        <attribute name="Export-Package" value="javax.annotation;uses:=&quot;javax.annotation.meta&quot;;version=&quot;${project.version}&quot;,javax.annotation.concurrent;version=&quot;${project.version}&quot;,javax.annotation.meta;uses:=&quot;javax.annotation&quot;;version=&quot;${project.version}&quot;"/>
+        <attribute name="Import-Package" value="javax.annotation,javax.annotation.meta"/>
         <attribute name="Require-Capability" value="osgi.ee;filter:=&quot;(&amp;(osgi.ee=JavaSE)(version=${compiler.target}))&quot;"/>
-	  </manifest>
-	</jar>
+      </manifest>
+    </jar>
   </target>
 
   <!-- ====================================================================== -->