diff --git a/.contractual/changesets/eager-wolves-prowl.md b/.contractual/changesets/eager-wolves-prowl.md
new file mode 100644
index 0000000..46291a2
--- /dev/null
+++ b/.contractual/changesets/eager-wolves-prowl.md
@@ -0,0 +1,7 @@
+---
+"petstore": major
+---
+
+## petstore
+
+- **[BREAKING]** remove path at paths./pets/{petId}
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index af0b554..6242c20 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Run Contractual PR Check
-        uses: contractual-dev/action@v1
+        uses: contractual-dev/action@v0.1.0-dev.3
         with:
           mode: pr-check
           fail-on-breaking: 'true'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f70b92d..6340056 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
 
       - name: Release Contracts
         id: release
-        uses: contractual-dev/action@v1
+        uses: contractual-dev/action@v0.1.0-dev.3
         with:
           mode: release
           github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/README.md b/README.md
index b2bcff5..c69393f 100644
--- a/README.md
+++ b/README.md
@@ -319,3 +319,4 @@ Runs when changesets are merged to `main` to:
 ## License
 
 MIT
+
diff --git a/specs/petstore.openapi.yaml b/specs/petstore.openapi.yaml
index 8f565f2..1ee263a 100644
--- a/specs/petstore.openapi.yaml
+++ b/specs/petstore.openapi.yaml
@@ -3,14 +3,20 @@ info:
   title: Petstore API
   description: A simple API for managing a pet store
   version: 1.0.0
+  license:
+    name: MIT
+    url: https://opensource.org/licenses/MIT
   contact:
     name: API Support
     email: support@petstore.example.com
 
 servers:
-  - url: https://api.petstore.example.com/v1
+  - url: https://api.petstore.io/v1
     description: Production server
 
+security:
+  - ApiKeyAuth: []
+
 paths:
   /pets:
     get:
@@ -38,6 +44,12 @@ paths:
                 type: array
                 items:
                   $ref: '#/components/schemas/Pet'
+        '400':
+          description: Invalid request parameters
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
         '500':
           description: Internal server error
           content:
@@ -77,43 +89,15 @@ paths:
               schema:
                 $ref: '#/components/schemas/Error'
 
-  /pets/{petId}:
-    get:
-      summary: Get a pet by ID
-      description: Returns a single pet by its ID
-      operationId: getPetById
-      tags:
-        - pets
-      parameters:
-        - name: petId
-          in: path
-          required: true
-          description: ID of the pet to retrieve
-          schema:
-            type: string
-            format: uuid
-      responses:
-        '200':
-          description: Successful response
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Pet'
-        '404':
-          description: Pet not found
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Error'
-        '500':
-          description: Internal server error
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Error'
 
 
 components:
+  securitySchemes:
+    ApiKeyAuth:
+      type: apiKey
+      in: header
+      name: X-API-Key
+
   schemas:
     Pet:
       type: object
@@ -137,7 +121,6 @@ components:
           enum:
             - dog
             - cat
-            - bird
             - rabbit
           description: Species of the pet
         breed:
@@ -185,7 +168,6 @@ components:
           enum:
             - dog
             - cat
-            - bird
             - rabbit
           description: Species of the pet
         breed: