diff --git a/pyproject.toml b/pyproject.toml
index 15aa066..8f69ce4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ dev = [
     "onnxruntime>=1.16",
     "fastapi>=0.100",
     "uvicorn>=0.23",
-    "httpx>=0.24",
+    "httpx>=0.28.1",
     "flask>=2.0",
 ]