diff --git a/requirements.txt b/requirements.txt
index 423db06..5f9796a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ certifi==2020.4.5.1
 cffi==1.14.0
 chardet==3.0.4
 commonmark==0.9.1
-cryptography==2.9
+cryptography==3.2
 docutils==0.16
 entrypoints==0.3
 flake8-mypy==17.8.0