upgrade packages

requirements.txt

@@ -1,31 +1,36 @@
 appdirs==1.4.0
-boto3==1.9.28
-botocore==1.12.28
-Django==1.11.16
+boto3==1.9.86
+botocore==1.12.86
+certifi==2018.11.29
+chardet==3.0.4
+defusedxml==0.5.0
+Django==2.1.5
 django-cleanup==0.4.2
 django-stdimage==2.4.1
 django-storages==1.5.2
-docutils==0.13.1
+docutils==0.14
 futures==3.0.5
-gunicorn==19.9.0
-jmespath==0.9.1
-oauthlib==2.1.0
+idna==2.8
+jmespath==0.9.3
+oauthlib==3.0.1
 olefile==0.44
 packaging==16.8
-Pillow==5.3.0
+Pillow==4.0.0
+pkg-resources==0.0.0
 progressbar2==3.12.0
 psycopg2-binary==2.7.5
-PyJWT==1.4.2
+PyJWT==1.7.1
 pyparsing==2.1.10
-python-dateutil==2.6.0
+python-dateutil==2.7.5
 python-openid==2.2.5
 python-utils==2.0.1
-pytz==2018.5
-requests==2.13.0
-requests-oauthlib==0.7.0
-s3transfer==0.1.10
-six==1.10.0
-social-auth-app-django==2.1.0
-social-auth-core==1.7.0
-urllib3==1.23
+python3-openid==3.1.0
+pytz==2018.9
+requests==2.21.0
+requests-oauthlib==1.2.0
+s3transfer==0.1.13
+six==1.12.0
+social-auth-app-django==3.1.0
+social-auth-core==3.0.0
+urllib3==1.24.1
 whitenoise==3.3.0