diff --git a/airflow-core/pyproject.toml b/airflow-core/pyproject.toml
index c413d3d52cea5..052e4df855eed 100644
--- a/airflow-core/pyproject.toml
+++ b/airflow-core/pyproject.toml
@@ -90,7 +90,7 @@ dependencies = [
     "cryptography>=41.0.0,<46.0.0",
     "deprecated>=1.2.13",
     "dill>=0.2.2",
-    "fastapi[standard-no-fastapi-cloud-cli]>=0.128.1",
+    "fastapi[standard-no-fastapi-cloud-cli]>=0.128.1,<0.128.4",
     "uvicorn>=0.37.0",
     "starlette>=0.45.0",
     "httpx>=0.25.0",