diff --git a/requirements.txt b/requirements.txt
index f2bb99c..778d63a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ certifi==2020.6.20
 cffi==1.14.2
 chardet==3.0.4
 coverage==5.3
-cryptography==3.2.1
+cryptography==3.3.2
 distlib==0.3.1
 docutils==0.16
 execnet==1.7.1