diff --git a/requirements.txt b/requirements.txt
index d4eb273..36800ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@
 aiokafka==0.6.0
 requests==2.18.*
 python-keystoneclient==3.15.*
-six==1.11.*
+six
 peewee==3.8.*
 pyyaml>=5.1.2
 prometheus_client==0.4.*
@@ -29,7 +29,7 @@
 pymysql==0.9.*
 pyvcloud==19.1.*
 python-ceilometerclient==2.9.*
-peewee-migrate==1.1.*
+# peewee-migrate==1.1.*
 python-novaclient==12.0.*
 python-neutronclient==5.1.*
 git+https://osm.etsi.org/gerrit/osm/common.git#egg=osm-common