diff --git a/setup.py b/setup.py
index 391965c..fdb186e 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
 
 here = os.path.dirname(__file__)
 requires = [
-    'cryptography > 2.9.2, <= 3.2.1',
+    'cryptography > 2.9.2, < 3.3.2',
 ]