diff --git a/README.md b/README.md
index e1717ef..bd29c03 100644
--- a/README.md
+++ b/README.md
@@ -32,8 +32,13 @@
 ### 1. OpenAI
 ```yaml
 name: AI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 on:
   pull_request:
+    branches-ignore:
+    - master
     types: [opened, synchronize]
 jobs:
   code-review:
@@ -55,8 +60,13 @@ jobs:
 ### 2. OpenRouter
 ```yaml
 name: AI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 on:
   pull_request:
+    branches-ignore:
+    - master
     types: [opened, synchronize]
 jobs:
   code-review:
@@ -78,8 +88,13 @@ jobs:
 ### 3. Anthropic Claude
 ```yaml
 name: AI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 on:
   pull_request:
+    branches-ignore:
+    - master
     types: [opened, synchronize]
 jobs:
   code-review:
@@ -100,8 +115,13 @@ jobs:
 ### 4. Google Gemini
 ```yaml
 name: AI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 on:
   pull_request:
+    branches-ignore:
+    - master
     types: [opened, synchronize]
 jobs:
   code-review:
@@ -123,8 +143,13 @@ jobs:
 ### 5. Amazon Q
 ```yaml
 name: AI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 on:
   pull_request:
+    branches-ignore:
+    - master
     types: [opened, synchronize]
 jobs:
   code-review:
@@ -146,8 +171,13 @@ jobs:
 
 ```yaml
 name: AI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 on:
   pull_request:
+    branches-ignore:
+    - master
     types: [opened, synchronize]
 jobs:
   code-review:
@@ -162,6 +192,5 @@ jobs:
     permissions:
       contents: write
       pull-requests: write
-
       issues: write
 ```
\ No newline at end of file