diff --git a/pyproject.toml b/pyproject.toml
index 472ba8e..0eb20a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
     "flask>=2.0.0,<4",
     "Flask-Caching",
     "flask-cors",
-    "flask-restx>=0.5.0",
+    "flask-restx>=1.3.0",
     "rio-tiler",
     "rio-cogeo",
     "requests",