diff --git a/setup.py b/setup.py
index edc35789..94545b8d 100644
--- a/setup.py
+++ b/setup.py
@@ -24,17 +24,17 @@ def find_version(*file_paths):
 
 
 requires = [
-    'jmespath>=0.7.1,<1.0.0',
-    'docutils>=0.10,<0.16',
-    'python-dateutil>=2.1,<3.0.0',
+    'jmespath',
+    'docutils',
+    'python-dateutil',
 ]
 
 
 if sys.version_info[:2] == (3, 4):
     # urllib3 dropped support for python 3.4 in point release 1.25.8
-    requires.append('urllib3>=1.20,<1.25.8')
+    requires.append('urllib3')
 else:
-    requires.append('urllib3>=1.20,<1.26')
+    requires.append('urllib3')