diff --git a/backend/requirements.txt b/backend/requirements.txt
index ab0fb96..ddfa7d0 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,7 +1,7 @@
-fastapi
-uvicorn
-pydantic
-pyyaml
-toml
-python-multipart
-pyinstaller
+fastapi==0.128.6
+uvicorn>=0.35.0
+pydantic==2.12.5
+pyyaml==6.0.3
+toml==0.10.2
+python-multipart==0.0.20
+pyinstaller==6.19.0