diff --git a/requirements.txt b/requirements.txt
index dc4a920..fb4e0ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2018.1.18
 cffi==1.11.5
 chardet==3.0.4
 click==6.7
-cryptography==2.1.4
+cryptography==3.2
 Flask==0.12.2
 Flask-Cors==3.0.3
 google-api-python-client==1.6.5