diff --git a/backend/requirements.txt b/backend/requirements.txt
index 3fb50f0..a9a1911 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,2 +1,3 @@
-fastapi==0.115.6
-uvicorn[standard]==0.34.0
+fastapi==0.103.2
+pydantic<2.11
+uvicorn[standard]==0.23.2