diff --git a/setup.py b/setup.py
index 6011137..1d25cbe 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@ setup(
         'Topic :: Internet',
     ],
     test_suite="tests.test_offline",
-    install_requires=['six', 'requests', 'python-dateutil', 'jsonschema', 'setuptools>=36.4'],
+    install_requires=['six', 'requests', 'python-dateutil', 'jsonschema', 'setuptools>=36.4', 'python-dateutil'],
     extras_require={'fileobjects': ['lief>=0.8', 'python-magic'],
                     'neo': ['py2neo'],
                     'openioc': ['beautifulsoup4'],
@@ -35,7 +35,6 @@ setup(
                     'warninglists': ['pymispwarninglists']},
     tests_require=[
         'jsonschema',
-        'python-dateutil',
         'python-magic',
         'requests-mock',
         'six'