diff --git a/requirements.txt b/requirements.txt
index 2664600..bdff084 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ certifi==2019.11.28
 cffi==1.13.2
 chardet==3.0.4
 Click==7.0
-cryptography==2.8
+cryptography==3.2
 ecdsa==0.14.1
 Flask==1.1.1
 Flask-BabelEx==0.9.3