diff --git a/server/requirements.txt b/server/requirements.txt
index ecc9a7d..0c675f7 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.24.0
 certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.2.2
+cryptography==3.2
 docopt==0.6.2
 enum34==1.1.6
 httpserver==1.1.0