diff --git a/pom.xml b/pom.xml
index faf764f3b..18ba9afe6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -393,7 +393,7 @@
     <commons.jira.pid>12310465</commons.jira.pid>
     <!-- The RC version used in the staging repository URL. -->
     <commons.rc.version>RC2</commons.rc.version>
-    <checkstyle.version>2.9</checkstyle.version>
+    <checkstyle.version>2.9.1</checkstyle.version>
   </properties> 
 
 
@@ -443,13 +443,10 @@
           <enableRulesSummary>false</enableRulesSummary>
         </configuration>
       </plugin>
-      <!-- Requires setting 'export MAVEN_OPTS="-Xmx512m" ' - and still fails -->
-      <!--
-      -->
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>findbugs-maven-plugin</artifactId>
-        <version>2.3.2</version>
+        <version>2.4.0</version>
         <configuration>
           <threshold>Normal</threshold>
           <effort>Default</effort>
@@ -462,7 +459,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>2.5</version>
+        <version>2.7.1</version>
         <configuration>
           <targetJdk>${maven.compile.target}</targetJdk>  
         </configuration>