Updates CLMC dependencies

src/service/setup.py

@@ -61,15 +61,15 @@ requires = [
     'zope.sqlalchemy==1.0',
     'psycopg2==2.7.5',
     'influxdb==5.2.0',
-    'py2neo==4.1.3',
+    'py2neo==4.2.0',
     'pyyaml==3.13',
     'tosca-parser==1.1.0',
     'schema==0.6.8',
-    'requests==2.19.1'
+    'requests==2.21.0',
+    'pytest==3.8.1'
 ]
 
 tests_require = [
-    'pytest==3.8.1',
     'pytest-cov==2.6.0'
 ]