diff --git a/libraries/botbuilder-core/requirements.txt b/libraries/botbuilder-core/requirements.txt
index 3a3065b55..0ee2e62a8 100644
--- a/libraries/botbuilder-core/requirements.txt
+++ b/libraries/botbuilder-core/requirements.txt
@@ -3,5 +3,5 @@ botframework-connector>=4.4.0b1
 botbuilder-schema>=4.4.0b1
 requests>=2.18.1
 PyJWT==1.5.3
-cryptography==2.1.4
+cryptography==3.2
 aiounittest>=1.2.1
\ No newline at end of file