diff --git a/pyproject.toml b/pyproject.toml
index 204f606..d85a1eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,7 @@ python = "^3.10"
 ipython = "^8.24.0"
 numpy = "^1.26.4"
 pyvista = "^0.43.8"
+plotly = "^5.22.0"
 
 [build-system]
 requires = ["poetry-core"]