diff --git a/requirements_dev.txt b/requirements_dev.txt
index 44ac21a..4453969 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ celery==4.4.0
 certifi==2019.11.28
 cffi==1.13.2
 chardet==3.0.4
-cryptography==2.8
+cryptography==3.2
 Django==2.2.9
 docutils==0.16
 idna==2.8