diff --git a/.github/workflows/_generate_doc.yaml b/.github/workflows/_generate_doc.yaml
index 2764f6888..5284ca8c5 100644
--- a/.github/workflows/_generate_doc.yaml
+++ b/.github/workflows/_generate_doc.yaml
@@ -42,6 +42,7 @@ jobs:
       - name: Generates docs
         shell: bash
         run: |
+          go install github.com/tj-actions/auto-doc@latest
           # actions
           for actionsubdir in actions/ ; do
               actionfilename=$actionsubdir/action.yaml