diff --git a/requirements.txt b/requirements.txt
index d1ed175..67a68bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2019.9.11
 cffi==1.13.2
 chardet==3.0.4
 Click==7.0
-cryptography==2.8
+cryptography==3.2
 enum34==1.1.6
 Flask==1.1.1
 idna==2.8