diff --git a/backend/blockcontainer/requirements.txt b/backend/blockcontainer/requirements.txt
index ddb36fc..e9bc320 100644
--- a/backend/blockcontainer/requirements.txt
+++ b/backend/blockcontainer/requirements.txt
@@ -7,7 +7,7 @@ celery==4.2.1
 certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.3
+cryptography==3.2
 Django==2.0.7
 django-celery==3.2.2
 django-celery-results==1.0.1