diff --git a/.github/workflows/directory.yml b/.github/workflows/directory.yml
index 5b548123c..a5cc2899b 100644
--- a/.github/workflows/directory.yml
+++ b/.github/workflows/directory.yml
@@ -9,6 +9,7 @@ on:
       - global.json
       - services/Directory.Build.props
       - services/Directory/**
+      - services/FilterLists.AppHost/**
       - services/FilterLists.ServiceDefaults/**
   pull_request:
     branches:
@@ -18,6 +19,7 @@ on:
       - global.json
       - services/Directory.Build.props
       - services/Directory/**
+      - services/FilterLists.AppHost/**
       - services/FilterLists.ServiceDefaults/**
 
 env: