diff --git a/requirements.txt b/requirements.txt
index 346fc52..1021319 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ click==6.7
 colorama==0.3.9
 coverage==4.5.1
 coveralls==1.3.0
-cryptography==2.2.2
+cryptography==3.2
 docopt==0.6.2
 Flask==1.0.2
 Flask-Cors==3.0.6