diff --git a/requirements.txt b/requirements.txt
index d9f1e4dd..3ae77fa7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ psutil==6.0.0
 cupy-cuda12x==13.4.1
 
 # Blender
-bpy==4.0
+bpy==4.0 --extra-index-url https://download.blender.org/pypi/
 
 # ONNX Runtime
 onnxruntime==1.16.3