diff --git a/helpers/docker/keystone/requirements.txt b/helpers/docker/keystone/requirements.txt
index 58b7e86d..9fee4f52 100644
--- a/helpers/docker/keystone/requirements.txt
+++ b/helpers/docker/keystone/requirements.txt
@@ -8,7 +8,7 @@ certifi==2018.1.18
 cffi==1.11.5
 chardet==3.0.4
 contextlib2==0.5.5
-cryptography==2.1.4
+cryptography==39.0.1
 debtcollector==1.19.0
 decorator==4.2.1
 dogpile.cache==0.6.5