diff --git a/backend/quiz-engine/requirements.txt b/backend/quiz-engine/requirements.txt
index d516a46..03e798c 100644
--- a/backend/quiz-engine/requirements.txt
+++ b/backend/quiz-engine/requirements.txt
@@ -1,4 +1,4 @@
-fastapi>=0.115.0
+fastapi>=0.138.0
 uvicorn[standard]>=0.32.0
 pydantic>=2.0
 google-genai>=1.0.0