diff --git a/pom.xml b/pom.xml
index 0e440f020..701bb635d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -101,7 +101,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
+                <version>2.5.1</version>
                 <configuration>
                     <source>1.7</source>
                     <target>1.7</target>