diff --git a/crawlerx_server/requirements.txt b/crawlerx_server/requirements.txt
index 65711b5..041b7ec 100644
--- a/crawlerx_server/requirements.txt
+++ b/crawlerx_server/requirements.txt
@@ -14,7 +14,7 @@ cffi==1.14.0
 chardet==3.0.4
 click==7.1.2
 constantly==15.1.0
-cryptography==2.9.2
+cryptography==3.3.2
 cssselect==1.1.0
 distlib==0.3.0
 Django==3.0.5