diff --git a/requirements.txt b/requirements.txt
index eeb1b82..bdee6da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ certifi==2019.9.11
 cffi==1.12.3
 chardet==3.0.4
 Click==7.0
-cryptography==2.7
+cryptography==3.2
 docutils==0.15.2
 Flask==1.1.1
 Flask-Cors==3.0.8