diff --git a/requirements_dev.txt b/requirements_dev.txt
index 81d507f..55fc08c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-cryptography==3.1
+cryptography==3.3.2
 wheel==0.35.1
 bumpversion==0.6.0
 pip==20.2.2