diff --git a/pyproject.toml b/pyproject.toml
index 7ad345b..02b209f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ Markdown = "^3.4.1"
 Flask-Markdown = "^0.3"
 Pygments = "^2.12.0"
 python-markdown-math = "*"
+pytoml = "*"
 
 [tool.poetry.dev-dependencies]