diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 78fdfcc..7bbbd01 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -7,6 +7,8 @@ on:
   pull_request:
     branches:
       - '*'
+  # make workflow "callable" by others
+  workflow_call:
 
 jobs:
   lint: