diff --git a/pom.xml b/pom.xml
index 467a2ac..e90fead 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,6 +54,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
+				<version>2.10.3</version>
 				<executions>
 					<execution>
 						<goals>
@@ -65,6 +66,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-source-plugin</artifactId>
+				<version>2.4</version>
 				<executions>
 					<execution>
 						<goals>