diff --git a/pom.xml b/pom.xml
index a20fdff..0102489 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 	</developers>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<log4j.version>2.6</log4j.version>
+		<log4j.version>2.6.1</log4j.version>
 	</properties>
 	<prerequisites>
 		<maven>3.3.0</maven>
@@ -62,7 +62,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>2.10.3</version>
+				<version>2.10.4</version>
 				<executions>
 					<execution>
 						<id>attach-javadocs</id>
@@ -109,7 +109,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
-				<version>2.6</version>
+				<version>3.0.1</version>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
@@ -124,7 +124,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-resources-plugin</artifactId>
-				<version>2.7</version>
+				<version>3.0.1</version>
 			</plugin>
 		</plugins>
 	</build>