diff --git a/setup.py b/setup.py
index c69b0e8c..ec52bbd9 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,11 @@
 
 PY_VERSION = sys.version_info[0], sys.version_info[1]
 
-requirements = ['requests>=1.0', 'python-dateutil>=2.1', 'six>=1.2.0']
+requirements = [
+    'requests>=1.0',
+    'python-dateutil>=2.1',
+    'six>=1.2.0, <1.4',
+]
 
 if PY_VERSION == (2, 6):
     requirements.append('argparse')
@@ -14,12 +18,12 @@
 
 setup(
     name='pyuploadcare',
-    version='1.2.4',
+    version='1.2.5',
     description='Python library for Uploadcare.com',
     long_description=(
         open('README.rst').read() + '\n\n' + open('HISTORY.rst').read()
     ),
-    author='Uploadcare Ltd',
+    author='Uploadcare LLC',
     author_email='hello@uploadcare.com',
     url='https://github.com/uploadcare/pyuploadcare',
     packages=['pyuploadcare', 'pyuploadcare.dj'],