diff --git a/requirements.txt b/requirements.txt
index 3546fa2..6d4e2ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ cffi==1.11.5
 chardet==3.0.4
 Click==7.0
 coverage==4.5.1
-cryptography==2.3.1
+cryptography==3.2
 Flask==1.0.2
 Flask-Caching==1.4.0
 Flask-Cors==3.0.6