diff --git a/requirements.txt b/requirements.txt
index 812716f..a8b4d07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2019.9.11
 cffi==1.13.2
 chardet==3.0.4
-cryptography==2.8
+cryptography==3.2
 dnspython==1.16.0
 idna==2.8
 pycparser==2.19