diff --git a/setup.py b/setup.py
index 6902dc6f..898f7ab8 100755
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@ packages = ['requests']
 requires = [
     'chardet>=3.0.2,<3.1.0',
     'idna>=2.5,<2.7',
-    'urllib3>=1.21.1,<1.23',
+    'urllib3>=1.21.1,<1.24',
     'certifi>=2017.4.17'
 
 ]