diff --git a/requirements.txt b/requirements.txt
index 0775215..5e400b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 cffi==1.5.0
 configparser==3.3.0.post2
 coverage==4.0.3
-cryptography==1.2.2
+cryptography==3.2
 dropbox==4.0
 enum34==1.1.2
 flake8==2.5.4