diff --git a/.github/workflows/pluto.yaml b/.github/workflows/pluto.yaml
index eae2bc485..c5f9f26e0 100644
--- a/.github/workflows/pluto.yaml
+++ b/.github/workflows/pluto.yaml
@@ -3,6 +3,7 @@ name: K8s resource API version check with Pluto
 on:
   pull_request:
     paths:
+      - ".github/workflows/pluto.yaml"
       - "helm-charts/cloudflared-tunnel"
       - "seichi-onp-k8s/manifests/seichi-kubernetes"