diff --git a/pom.xml b/pom.xml
index a217a19..fba1bcd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,14 +34,14 @@
         <mockito.version>1.10.19</mockito.version>
         <quartz.version>2.2.1</quartz.version>
         <spring.version>3.2.13.RELEASE</spring.version>
-        <maven-checkstyle-plugin.version>2.13</maven-checkstyle-plugin.version>
-        <maven-pmd-plugin.version>3.3</maven-pmd-plugin.version>
-        <findbugs-maven-plugin.version>3.0.0</findbugs-maven-plugin.version>
-        <cobertura-maven-plugin.version>2.6</cobertura-maven-plugin.version>
-        <maven-release-plugin.version>2.5.1</maven-release-plugin.version>
-        <maven-compiler-plugin.version>3.2</maven-compiler-plugin.version>
-        <maven-surefire-plugin.version>2.18</maven-surefire-plugin.version>
-        <maven-javadoc-plugin.version>2.10.1</maven-javadoc-plugin.version>
+        <maven-checkstyle-plugin.version>2.15</maven-checkstyle-plugin.version>
+        <maven-pmd-plugin.version>3.4</maven-pmd-plugin.version>
+        <findbugs-maven-plugin.version>3.0.1</findbugs-maven-plugin.version>
+        <cobertura-maven-plugin.version>2.7</cobertura-maven-plugin.version>
+        <maven-release-plugin.version>2.5.2</maven-release-plugin.version>
+        <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
+        <maven-surefire-plugin.version>2.18.1</maven-surefire-plugin.version>
+        <maven-javadoc-plugin.version>2.10.3</maven-javadoc-plugin.version>
     </properties>
 
     <scm>