diff --git a/requirements.txt b/requirements.txt
index e061ae4..47dc223 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ certifi==2020.11.8
 cffi==1.14.4
 chardet==3.0.4
 coverage==5.2.1
-cryptography==3.2.1
+cryptography==3.3.2
 deprecation==2.1.0
 docutils==0.15.2
 dodgy==0.2.1