diff --git a/requirements.txt b/requirements.txt
index b373d20b..9852e8af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ cffi==1.9.1
 click==6.7
 cloudmesh-timestring==1.6.2.1
 colorama==0.3.7
-cryptography==1.7.2
+cryptography==3.3.2
 debtcollector==1.11.0
 docopt==0.6.2
 enum34==1.1.6
diff --git a/requirements3.txt b/requirements3.txt
index f72bd941..58938fc2 100644
--- a/requirements3.txt
+++ b/requirements3.txt
@@ -18,7 +18,7 @@ cffi==1.8.3
 click==6.6
 cloudmesh-timestring==1.6.2.1
 colorama==0.3.7
-cryptography==1.5.2
+cryptography==3.3.2
 debtcollector==1.8.0
 docopt==0.6.2
 Flask==0.11.1