diff --git a/src/serena/resources/config/internal_modes/jetbrains.yml b/src/serena/resources/config/internal_modes/jetbrains.yml
index 7af49efe..863f3beb 100644
--- a/src/serena/resources/config/internal_modes/jetbrains.yml
+++ b/src/serena/resources/config/internal_modes/jetbrains.yml
@@ -13,3 +13,4 @@ included_optional_tools:
   - jet_brains_find_symbol
   - jet_brains_find_referencing_symbols
   - jet_brains_get_symbols_overview
+  - jet_brains_type_hierarchy