1 files changed, 2 insertions, 2 deletions
diff --git a/setup.py b/setup.py
index fed5814..124d534 100755
--- a/setup.py
+++ b/setup.py
@@ -16,8 +16,8 @@ def fread(fn):
         return f.read()
 
 
-rsa_require = ['cryptography>=1.4.0']
-signedtoken_require = ['cryptography>=1.4.0', 'pyjwt>=1.6.0']
+rsa_require = ['cryptography>=3.0.0,<4']
+signedtoken_require = ['cryptography>=3.0.0,<4', 'pyjwt>=2.0.0,<3']
 signals_require = ['blinker>=1.4.0']
 
 setup(