Upgrading aiokafka to 0.5.*

Change-Id: I287b95a0d9fc6132edadfb2b7b446a3ec7d9e142
Signed-off-by: Benjamin Diaz <bdiaz@whitestack.com>
diff --git a/setup.py b/setup.py
index 8ebc49d..b2fad25 100644
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@
     package_dir={_name: _name},
     include_package_data=True,
     install_requires=[
-        "aiokafka==0.4.*",
+        "aiokafka==0.5.*",
         "peewee==3.8.*",
         "jsonschema==2.6.*",
         "pyyaml==3.*",