VOL-1246 - Change to confluent-kafka-python from afkak library
to fix KafakUnavailalble Exception from afkak

Change-Id: Id9bf2d65f2972829f1c085a9b57b35a62ab73a40
diff --git a/requirements.txt b/requirements.txt
index a0641b2..56cb356 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,7 @@
 bitstring==3.1.5
 cmd2==0.7.0
 colorama==0.3.9
+confluent-kafka==0.11.5
 cython==0.24.1
 decorator==4.1.2
 docker-py==1.10.6