diff --git a/.github/workflows/validate-openapi.yml b/.github/workflows/validate-openapi.yml
index af7b62f..eb90cfc 100644
--- a/.github/workflows/validate-openapi.yml
+++ b/.github/workflows/validate-openapi.yml
@@ -17,7 +17,7 @@ jobs:
     
     steps:
     - name: 📥 Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: 🔧 Setup Node.js
       uses: actions/setup-node@v4
@@ -68,7 +68,7 @@ jobs:
     
     steps:
     - name: 📥 Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: 🔧 Setup Node.js
       uses: actions/setup-node@v4
@@ -87,7 +87,7 @@ jobs:
     
     steps:
     - name: 📥 Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: 🔧 Setup Node.js
       uses: actions/setup-node@v4
@@ -118,7 +118,7 @@ jobs:
     
     steps:
     - name: 📥 Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: 📚 Check README completeness
       run: |