diff --git a/requirements.txt b/requirements.txt
index ef740ee..56b20c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ chardet==3.0.4
 Click==7.0
 coverage==4.5.1
 coveralls==1.4.0
-cryptography==2.3.1
+cryptography==3.2
 docopt==0.6.2
 Flask==1.0.2
 Flask-JWT-Extended==3.13.1