diff --git a/jul-to-slf4j/pom.xml b/jul-to-slf4j/pom.xml
index a29f47415..966f03ba9 100644
--- a/jul-to-slf4j/pom.xml
+++ b/jul-to-slf4j/pom.xml
@@ -39,8 +39,8 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
-          <source>1.4</source>
-          <target>1.4</target>
+          <source>1.5</source>
+          <target>1.5</target>
         </configuration>
       </plugin>
       <plugin>