diff --git a/docs/requirements.txt b/docs/requirements.txt
index a5a16995..e2d53cb3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -14,7 +14,7 @@ click==6.7
 colorama==0.3.7
 configparser==3.7.1
 coverage==4.1
-cryptography==2.4.2
+cryptography==3.3.2
 docker==2.5.1
 docker-pycreds==0.4.0
 docopt==0.6.2