diff --git a/requirements.txt b/requirements.txt
index 807f01c..41bce50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi==2019.3.9
 cffi==1.12.3
 chardet==3.0.4
 Click==7.0
-cryptography==2.7
+cryptography==3.2
 dialogflow==0.6.0
 Flask==1.0.3
 github3.py==1.3.0