diff --git a/setup.cfg b/setup.cfg
index 1e3e8b2..3a8d50d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -45,6 +45,7 @@ dev =
   pydocstyle==6.1.1
   pymdown-extensions==9.5
   pytest==7.1.2
+  griffe==0.36.9
 
 [options.entry_points]
 console_scripts =