diff --git a/core/pom.xml b/core/pom.xml
index ed1acb36d6..179b7c3662 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -97,18 +97,18 @@
 		</executions>
 	      </plugin>
 	      <!-- set main class -->
-	      <plugin>
-		<artifactId>maven-jar-plugin</artifactId>
-		<configuration>
-		  <archive>
-		    <manifest>
-		      <mainClass>hudson.Main</mainClass>
-		      <addClasspath>true</addClasspath>
-		      <classpathPrefix />
-		    </manifest>
-		  </archive>
-		</configuration>
-	      </plugin>
+        <plugin>
+          <artifactId>maven-jar-plugin</artifactId>
+          <configuration>
+            <archive>
+              <manifest>
+                <mainClass>hudson.Main</mainClass>
+                <addClasspath>true</addClasspath>
+                <classpathPrefix />
+              </manifest>
+            </archive>
+          </configuration>
+        </plugin>
 	    </plugins>
 	  </build>
 
diff --git a/jnlp-agent/pom.xml b/jnlp-agent/pom.xml
index 65f083dc35..dae7100c30 100644
--- a/jnlp-agent/pom.xml
+++ b/jnlp-agent/pom.xml
@@ -15,7 +15,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>2.1</version>
+        <version>2.2</version>
         <executions>
           <execution>
             <goals>
diff --git a/remoting/pom.xml b/remoting/pom.xml
index 0b5b616ae0..a3db134b28 100644
--- a/remoting/pom.xml
+++ b/remoting/pom.xml
@@ -27,7 +27,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>2.1</version>
+        <version>2.2</version>
         <configuration>
           <archive>
             <manifest>