diff --git a/pom.xml b/pom.xml
index 1d65d7b..09cff9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -137,7 +137,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.0.20</version>
+      <version>3.0.23</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.shared</groupId>
diff --git a/src/main/java/org/apache/maven/plugins/repository/BundlePackMojo.java b/src/main/java/org/apache/maven/plugins/repository/BundlePackMojo.java
index 1c78f7e..7b21613 100644
--- a/src/main/java/org/apache/maven/plugins/repository/BundlePackMojo.java
+++ b/src/main/java/org/apache/maven/plugins/repository/BundlePackMojo.java
@@ -413,6 +413,8 @@
         {
             reader = ReaderFactory.newXmlReader( pom );
             model = new MavenXpp3Reader().read( reader );
+            reader.close();
+            reader = null;
         }
         catch ( XmlPullParserException e )
         {
diff --git a/src/test/java/org/apache/maven/plugins/repository/it/support/IntegrationTestUtils.java b/src/test/java/org/apache/maven/plugins/repository/it/support/IntegrationTestUtils.java
index c99a5bf..cb53d05 100644
--- a/src/test/java/org/apache/maven/plugins/repository/it/support/IntegrationTestUtils.java
+++ b/src/test/java/org/apache/maven/plugins/repository/it/support/IntegrationTestUtils.java
@@ -29,8 +29,8 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.Reader;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
@@ -142,24 +142,14 @@
     {
         URL resource = Thread.currentThread().getContextClassLoader().getResource( "META-INF/maven/plugin.xml" );
 
-        InputStream stream = null;
+        Reader reader = null;
         try
         {
-            stream = resource.openStream();
+            reader = new InputStreamReader( resource.openStream() );
             Xpp3Dom pluginDom;
-            try
-            {
-                pluginDom = Xpp3DomBuilder.build( new InputStreamReader( stream ) );
-            }
-            catch ( XmlPullParserException e )
-            {
-                IOException err = new IOException(
-                                                   "Failed to parse plugin descriptor for groupId:artifactId:version prefix. Reason: "
-                                                       + e.getMessage() );
-                err.initCause( e );
-
-                throw err;
-            }
+            pluginDom = Xpp3DomBuilder.build( reader );
+            reader.close();
+            reader = null;
 
             pluginArtifactId = pluginDom.getChild( "artifactId" ).getValue();
             pluginGroupId = pluginDom.getChild( "groupId" ).getValue();
@@ -167,9 +157,15 @@
 
             cliPluginPrefix = pluginGroupId + ":" + pluginArtifactId + ":" + pluginVersion + ":";
         }
+        catch ( XmlPullParserException e )
+        {
+            throw (IOException) new IOException(
+                "Failed to parse plugin descriptor for groupId:artifactId:version prefix." ).initCause( e );
+
+        }
         finally
         {
-            close( stream );
+            close( reader );
         }
     }
 }