diff --git a/client/requirements.txt b/client/requirements.txt
index 00ab387..341c550 100644
--- a/client/requirements.txt
+++ b/client/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.24.0
 certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.3
+cryptography==3.2
 enum34==1.1.6
 idna==2.7
 ipaddress==1.0.22