diff --git a/python/pyproject_other.toml b/python/pyproject_other.toml
index c8d82194b1a2..2d71a60adcd8 100755
--- a/python/pyproject_other.toml
+++ b/python/pyproject_other.toml
@@ -97,6 +97,7 @@ diffusion_common = [
   "remote-pdb",
   "scikit-image==0.25.2",
   "trimesh>=4.0.0",
+  "websockets",
   "xatlas",
 ]