diff --git a/tox-requirements.txt b/tox-requirements.txt
index 2696a2ba..f45b320f 100644
--- a/tox-requirements.txt
+++ b/tox-requirements.txt
@@ -1,6 +1,6 @@
 -r requirements.txt
 coverage==5.3.1
-cryptography==36.0.2
+cryptography==39.0.2
 pytest==7.0.1
 WebTest==2.0.35
 Flask