diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cfbed0a..4c8825a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,10 +19,14 @@ jobs:
     steps:
       - name: Check out head branch
         uses: actions/checkout@v4
-      - name: Run OpenAPI Validate Action
-        uses: swaggerexpert/swagger-editor-validate@v1
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
         with:
-          definition-file: openapi/task_execution_service.openapi.yaml
+          node-version: '20'
+      - name: Install Spectral
+        run: npm install -g @stoplight/spectral-cli
+      - name: Validate OpenAPI definition
+        run: spectral lint openapi/task_execution_service.openapi.yaml --ruleset .spectral.yaml
 
   diff:
     name: Show OpenAPI differences relative to target branch
diff --git a/.spectral.yaml b/.spectral.yaml
new file mode 100644
index 0000000..0b6948f
--- /dev/null
+++ b/.spectral.yaml
@@ -0,0 +1,3 @@
+extends: spectral:oas
+rules:
+  info-contact: off
\ No newline at end of file
diff --git a/openapi/task_execution_service.openapi.yaml b/openapi/task_execution_service.openapi.yaml
index 4a61b45..14f0116 100644
--- a/openapi/task_execution_service.openapi.yaml
+++ b/openapi/task_execution_service.openapi.yaml
@@ -83,7 +83,7 @@ paths:
         by the TES server.
       operationId: GetServiceInfo
       responses:
-        200:
+        '200':
           description: ""
           content:
             application/json:
@@ -180,7 +180,7 @@ paths:
       - $ref: '#/components/parameters/view'
 
       responses:
-        200:
+        '200':
           description: ""
           content:
             application/json:
@@ -206,7 +206,7 @@ paths:
               $ref: '#/components/schemas/tesTask'
         required: true
       responses:
-        200:
+        '200':
           description: ""
           content:
             application/json:
@@ -233,7 +233,7 @@ paths:
           type: string
       - $ref: '#/components/parameters/view'
       responses:
-        200:
+        '200':
           description: ""
           content:
             application/json:
@@ -257,7 +257,7 @@ paths:
         schema:
           type: string
       responses:
-        200:
+        '200':
           description: ""
           content:
             application/json: