diff --git a/pyproject.toml b/pyproject.toml
index 229a99a..61c4418 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,8 @@ dependencies = [
     "sphinx",
     "myst-nb",
     "sphinx-autoapi",
-    "sphinx_rtd_theme"
+    "sphinx_rtd_theme",
+    "sphinx-math-dollar"
 ]
 
 [project.urls]