diff --git a/requirements.txt b/requirements.txt
index 3527130..2e5107a 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==2.6.1
+cryptography==3.2
 firebase-admin==2.16.0
 Flask==1.0.2
 Flask-Login==0.4.1