diff --git a/pyproject.toml b/pyproject.toml
index 16f3c18ad..1c6892508 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -108,6 +108,7 @@ test = [
     "requests",
 ]
 docs = [
+    "setuptools",
     "sphinx-autobuild",
     "myst-parser",
     "sphinx",
diff --git a/uv.lock b/uv.lock
index 48fcb89bc..0907d1eb8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1272,6 +1272,7 @@ docs = [
     { name = "linkify" },
     { name = "myst-parser" },
     { name = "requests" },
+    { name = "setuptools" },
     { name = "sphinx" },
     { name = "sphinx-autobuild" },
     { name = "sphinx-copybutton" },
@@ -1375,6 +1376,7 @@ docs = [
     { name = "linkify" },
     { name = "myst-parser" },
     { name = "requests" },
+    { name = "setuptools" },
     { name = "sphinx" },
     { name = "sphinx-autobuild" },
     { name = "sphinx-copybutton" },