diff --git a/requirements.txt b/requirements.txt
index 94e7b7fe..6335daca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ chardet==3.0.4
 colorama==0.4.3
 coreapi==2.3.3
 coreschema==0.0.4
-cryptography==3.1
+cryptography==39.0.1
 defusedxml==0.6.0
 demjson==2.2.4
 diff-match-patch==20200713