diff --git a/pom.xml b/pom.xml
index e85ee636a41c7444c1f5731c66f69ea8d77092a1..687422fe0205ffec5f137d53ca7b40695bf13907 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,6 +53,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.5.1</version>
         <configuration>
           <source>1.5</source>
           <target>1.5</target>
@@ -61,6 +62,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
+        <version>2.10.3</version>
         <executions>
           <execution>
             <id>attach-javadocs</id>