diff --git a/pyproject.toml b/pyproject.toml
index 8e979b9..31703f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,6 +71,9 @@ speedups = [
 pook = [
     "pook>=0.2.1",
 ]
+doc = [
+    "pdoc>=14.7.0",
+]
 
 [tool.hatch.version]
 path = "mocket/__init__.py"