diff --git a/setup.py b/setup.py
index f134876..309dda1 100644
--- a/setup.py
+++ b/setup.py
@@ -48,14 +48,14 @@
     #             ('/etc/systemd/system/', ['osm_nbi/osm-nbi.service']),
     #             ],
     install_requires=[
-        'CherryPy==18.1.2',
+        'CherryPy>=18.1.2',
         'osm-common @ git+https://osm.etsi.org/gerrit/osm/common.git#egg=osm-common',
-        'jsonschema==3.2.0',
+        'jsonschema>=3.2.0',
         'PyYAML',
         'osm-im @ git+https://osm.etsi.org/gerrit/osm/IM.git#egg=osm-im',
         'python-keystoneclient',
         'requests',
-        'aiohttp>=2.3.10',
+        'aiohttp>=2.3.10,<=3.6.2',
     ],
     setup_requires=['setuptools-version-command'],
 )