Fix the security issues with some python packages.

Author: MagedMYoussef

requirements.txt

@@ -14,7 +14,7 @@ flask-restplus==0.12.1
 Flask-Script==2.0.6
 Flask-SQLAlchemy==2.3.2
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.10.1
 jsonschema==3.0.2
 Mako==1.1.0
 MarkupSafe==1.0
@@ -23,7 +23,7 @@ PyJWT==1.7.1
 python-dateutil==2.8.0
 python-editor==1.0.4
 pytz==2019.1
-SQLAlchemy==1.2.12
-Werkzeug==0.14.1
+SQLAlchemy==1.3.0
+Werkzeug==0.15.3
 gunicorn==19.9.0
 psycopg2==2.8.3