diff --git a/requirements.txt b/requirements.txt
index c10097d..f14c245 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ ccxt==1.32.57
 certifi==2020.6.20
 cffi==1.14.1
 chardet==3.0.4
-cryptography==3.2
+cryptography==3.3.2
 idna==2.10
 multidict==4.7.6
 pycares==3.1.1