diff --git a/pom.xml b/pom.xml
index 27af4dc..93ed155 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>3.8.4</version>
 			<scope>test</scope>
 		</dependency>
 
@@ -56,9 +56,12 @@
 	    <plugin>
 	      <!-- Build an executable JAR -->
 	      <groupId>org.apache.maven.plugins</groupId>
-	      <artifactId>maven-jar-plugin</artifactId>
-	      <version>3.1.0</version>
+	      <artifactId>maven-compiler-plugin</artifactId>
+	      <version>3.8.1</version>
 	      <configuration>
+                  <source>1.6</source>
+                  <target>1.6</target>
+            </configuration>
 	        <archive>
 	          <manifest>
 	            <addClasspath>true</addClasspath>