Merge branch 'dev' into 'master'

Bump lib versions

See merge request lilcity/backend!22

requirements.txt

@@ -1,7 +1,7 @@
 # Python-3.6
 arrow==0.12.1
 celery[redis]==4.1.0
-Django==2.0.4
+Django==2.0.5
 django-active-link==0.1.4
 django-anymail[mailgun]==2.2
 django-cors-headers==2.2.0
@@ -11,7 +11,7 @@ django-silk==2.0.0
 django-phonenumber-field==2.0.0
 django-polymorphic-tree==1.5
 djangorestframework==3.8.2
-drf-yasg[validation]==1.5.0
+drf-yasg[validation]==1.7.1
 facepy==1.0.9
 gunicorn==19.7.1
 mixpanel==4.3.2