diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index d9aaeac..d66017c 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -47,6 +47,11 @@ name = "pytorch-cpu"
 url = "https://download.pytorch.org/whl/cpu"
 explicit = true
 
+[tool.uv.sources]
+torch = { index = "pytorch-cpu" }
+torchvision = { index = "pytorch-cpu" }
+torchaudio = { index = "pytorch-cpu" }
+
 [tool.setuptools.packages.find]
 where = ["."]
 include = ["api*", "enums*", "models*", "services*", "constants*", "utils*", "scripts*", "workers*", "migrations*"]