diff --git a/requirements.txt b/requirements.txt
index 671ca96..cb271db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ cffi==1.12.2
 chardet==3.0.4
 click==6.7
 CommonMark==0.5.4
-cryptography==2.6.1
+cryptography==3.2
 docutils==0.14
 Flask==1.0.2
 Flask-AlchemyDumps==0.0.10