diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 5a7b363..ebdc50a 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -1,3 +1,4 @@
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
 ---
 name: cd
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ebf5f37..dd084a2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,3 +1,4 @@
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
 ---
 name: ci
 
diff --git a/.github/workflows/dockerhub.yml b/.github/workflows/dockerhub.yml
index 7f73185..6fc20a8 100644
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@@ -1,3 +1,4 @@
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
 ---
 name: dockerhub
 
diff --git a/.github/workflows/vulnscan.yml b/.github/workflows/vulnscan.yml
index 1df99fe..7a34805 100644
--- a/.github/workflows/vulnscan.yml
+++ b/.github/workflows/vulnscan.yml
@@ -1,3 +1,4 @@
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
 ---
 name: vulnscan