diff --git a/requirements.txt b/requirements.txt
index fe0afa2..ab88b74 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ certifi==2018.11.29
 cffi==1.12.1
 chardet==3.0.4
 Click==7.0
-cryptography==2.6.1
+cryptography==3.2
 decorator==4.4.0
 dill==0.2.9
 docopt==0.6.2