diff --git a/requirements.txt b/requirements.txt
index f2e0a31..8877be5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 click==7.1.2
 docx-mailmerge==0.5.0
 Flask==1.1.2
-Flask-Cors==1.10.3
+Flask-Cors==3.0.9
 gunicorn==20.0.4
 itsdangerous==1.1.0
 Jinja2==2.11.2