diff --git a/requirements.txt b/requirements.txt
index 22b02ee..e7606f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ astor==0.7.1
 certifi==2019.3.9
 cffi==1.12.2
 chardet==3.0.4
-cryptography==2.6.1
+cryptography==3.2
 cycler==0.10.0
 future==0.17.1
 gast==0.2.2