diff --git a/requirements.txt b/requirements.txt
index 511d4a9..05a3872 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2020.4.5.1
 cffi==1.15.0
 chardet==3.0.4
 click==8.0.3
-cryptography==36.0.1
+cryptography==3.3.2
 Flask==1.1.1
 Flask-Session==0.4.0
 idna==2.9