diff --git a/requirements.txt b/requirements.txt
index e9832b121..59f2a8564 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ certifi==2019.11.28
 cffi==1.14.0
 chardet==3.0.4
 Click==7.0
-cryptography==2.8
+cryptography==41.0.0
 Flask==0.12.5
 Flask-Login==0.5.0
 Flask-Session==0.3.2