diff --git a/requirements.txt b/requirements.txt
index 89cf085..5a653ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ cffi==1.13.2
 chardet==3.0.4
 Click==7.0
 colorama==0.4.3
-cryptography==2.8
+cryptography==3.2
 Flask==1.1.1
 Flask-Cors==3.0.8
 idna==2.8