diff --git a/requirements.txt b/requirements.txt
index b041db9..a88dd31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Cython==0.29.7
 pyOpenSSL==19.0.0
-cryptography==2.6.1
+cryptography==3.2
 protobuf==3.7.1
 hvac==0.8.2
 ipaddr==2.2.0