diff --git a/main/pom.xml b/main/pom.xml
index 3c5a840..6459d11 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -61,6 +61,15 @@
   <build>
     <plugins>
       <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <target>1.5</target>
+          <source>1.5</source>
+        </configuration>
+      </plugin>
+
+      <plugin>
         <groupId>org.apache.felix</groupId>
         <artifactId>maven-bundle-plugin</artifactId>
         <version>2.3.5</version>