diff --git a/requirements.txt b/requirements.txt
index 4453de8..200cdc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 billiard==3.5.0.2
 cffi==1.9.1
-cryptography==1.7.1
+cryptography==3.2
 decorator==4.0.10
 enum34==1.1.6
 google-api-python-client==1.5.5