diff --git a/dev/venv/requirements-venv.txt b/dev/venv/requirements-venv.txt
index 32e5823..55100e2 100644
--- a/dev/venv/requirements-venv.txt
+++ b/dev/venv/requirements-venv.txt
@@ -3,7 +3,7 @@
 #  iso8601 0.1.11
 #
 cffi==1.6.0
-cryptography==1.4
+cryptography==39.0.1
 idna==2.1
 iso8601==0.1.11
 pyasn1==0.1.9