Set version to 3.4.8.4

Change-Id: I8023a418325ad0494972989bb55fb9261ec91bea
diff --git a/pom.xml b/pom.xml
index cd46791..701a08b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.gerritforge</groupId>
     <artifactId>global-refdb</artifactId>
-    <version>3.4.8.3</version>
+    <version>3.4.8.4</version>
     <packaging>jar</packaging>
 
     <name>global-refdb</name>