diff --git a/backend/requirements.txt b/backend/requirements.txt
index 9814130..b390aec 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -8,7 +8,7 @@ certifi==2019.9.11
 cffi==1.13.0
 chardet==3.0.4
 click==6.7
-cryptography==2.8
+cryptography==3.2
 cycler==0.10.0
 easygui==0.98.1
 eventlet==0.23.0