diff --git a/requirements.txt b/requirements.txt
index 3e97bbb..0f26a8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi==2019.11.28
 cffi==1.13.2
 chardet==3.0.4
 Click==7.0
-cryptography==3.3.2
+cryptography==39.0.1
 firebase-admin==3.2.1
 Flask==1.1.1
 Flask-Cors==3.0.9