Compile against Gerrit 2.15-SNAPSHOT

Change-Id: If7fabfdb371cff9148fc310fa594192107df45ee
diff --git a/lib/gerrit/BUCK b/lib/gerrit/BUCK
index 934d087..f1f5562 100644
--- a/lib/gerrit/BUCK
+++ b/lib/gerrit/BUCK
@@ -1,6 +1,6 @@
 include_defs('//bucklets/maven_jar.bucklet')
 
-VER = '2.14-SNAPSHOT'
+VER = '2.15-SNAPSHOT'
 REPO = MAVEN_LOCAL
 
 maven_jar(