diff --git a/setup.py b/setup.py
index 1668ad4..cfc2076 100644
--- a/setup.py
+++ b/setup.py
@@ -20,11 +20,11 @@
         packages=["flask_rebar_auth0"],
         include_package_data=True,
         install_requires=[
-            "flask-rebar>=1.0.0,<2",
-            "Flask>=0.10,<2",
+            "flask-rebar>=1.0.0,<3",
+            "Flask>=0.10,<3",
             "requests>=2.20.0,<3",
             "python-jose>=3.0.1,<4",
-            "cryptography>=3.2,<4",
+            "cryptography",
         ],
         extras_require={
             "dev": [