Updated optical extension pom
diff --git a/openflow/api/pom.xml b/openflow/api/pom.xml
index 59d05a2..45d863d 100644
--- a/openflow/api/pom.xml
+++ b/openflow/api/pom.xml
@@ -30,7 +30,7 @@
             <groupId>org.projectfloodlight</groupId>
             <artifactId>openflowj</artifactId>
             <!-- FIXME once experimenter gets merged to upstream -->
-            <version>0.3.8-optical_experimenter3</version>
+            <version>0.3.8-optical_experimenter4</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>