diff --git a/requirements.txt b/requirements.txt
index 462a75a..2e80ee6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2018.8.24
 cffi==1.11.5
 chardet==3.0.4
 click==6.7
-cryptography==2.3.1
+cryptography==3.2
 Flask==1.0.2
 Flask-Login==0.4.1
 Flask-Migrate==2.2.1