diff --git a/pyproject.toml b/pyproject.toml
index deb1997..2bc50a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,6 +61,7 @@ dev = [
 ]
 
 doc = [
+    "pandas",
     "networkx>=3.3",
     "sphinx>=8.1.3",
     "sphinx_gallery>=0.18.0",