diff --git a/requirements.txt b/requirements.txt
index 0a15d81..8c58a54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ colander==1.8.3
 colorama==0.4.4
 cornice==5.0.3
 cornice-swagger==1.0.0
-cryptography==3.3.1
+cryptography==3.4.1
 dockerflow==2020.10.0
 ec2_metadata==2.3.0
 hawkauthlib==2.0.0