diff --git a/requirements.txt b/requirements.txt
index 0036049..e8256cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2019.11.28
 cffi==1.14.0
 chardet==3.0.4
 Click==7.0
-cryptography==2.8
+cryptography==3.2
 Flask==1.1.1
 Flask-Cors==3.0.8
 Flask-Mail==0.9.1