diff --git a/pyproject.toml b/pyproject.toml
index 555153b..fa36f97 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ requires-python = ">=3.7"
 dependencies = ["requests>=2.28.1", "pandas>=2", "pycountry>=22.3.5"]
 [project.optional-dependencies]
 docs = [
-	"docutils==0.17.1",    # https://jupyterbook.org/en/stable/content/citations.html?highlight=docutils#citations-and-bibliographies
+	"docutils==0.20.1",    # https://jupyterbook.org/en/stable/content/citations.html?highlight=docutils#citations-and-bibliographies
 	"jupyter-book >=1,<2",
 ]