diff --git a/requirements.txt b/requirements.txt
index 5bb443f..19cffcb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ argparse==1.2.1
 bottle==0.12.8
 cffi==1.1.2
 cookies==2.2.1
-cryptography==0.9.3
+cryptography==3.2
 enum34==1.0.4
 funcsigs==0.4
 futures==3.0.3