diff --git a/pyproject.toml b/pyproject.toml
index 268943f..0fb0511 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ version = "1.0.0"
 description = "FastAPI backend for UK Postcode lookup service"
 requires-python = ">=3.12"
 dependencies = [
-    "fastapi[standard]==0.118.0",
+    "fastapi[standard]==0.141.1",
     "uvicorn==0.37.0",
     "pydantic==2.11.10",
     "pydantic-settings==2.11.0",