diff --git a/pyproject.toml b/pyproject.toml
index 1d33810..dfd0ffd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ flask = "^2.3.2"
 flask-http-middleware = "^0.3.1"
 flask-migrate = "^4.0.4"
 python-dotenv = "^1.0.0"
-flask-babel = "^3.1.0"
+flask-babel = "^4.0.0"
 pymysql = "^1.1.0"
 python-multipart = "^0.0.6"
 flask-security-too = { version = "^5.2.0", extras = [