diff --git a/requirements.txt b/requirements.txt
index 03ea424..468aeff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ attrs==19.1.0
 botocore==1.12.189
 cffi==1.12.3
 chardet==3.0.4
-cryptography==2.7
+cryptography==3.2
 docutils==0.15.2
 gunicorn==19.9.0
 idna==2.8