diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 513d4f1..c68a602 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -91,16 +91,3 @@ jobs:
         uses: codecov/codecov-action@v7
         with:
           flags: ${{ matrix.os }},go-${{ matrix.go }}
-
-  vulnerability-scanning:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v7
-      - name: Run Trivy vulnerability scanner in repo mode
-        uses: aquasecurity/trivy-action@v0.36.0
-        with:
-          scan-type: 'fs'
-          ignore-unfixed: true
-          format: 'table'
-          exit-code: '1'
-          severity: 'CRITICAL,HIGH,MEDIUM'
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
new file mode 100644
index 0000000..1d73ba8
--- /dev/null
+++ b/.github/workflows/security.yml
@@ -0,0 +1,32 @@
+name: Trivy Security Scan
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+  schedule:
+    - cron: "0 0 * * *" # Daily scan at midnight UTC
+  workflow_dispatch: # Allow manual trigger
+
+jobs:
+  trivy-scan:
+    name: Trivy Security Scan
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v7
+
+      - name: Run Trivy vulnerability scanner (table output)
+        uses: aquasecurity/trivy-action@v0.36.0
+        if: always()
+        with:
+          scan-type: "fs"
+          scan-ref: "."
+          format: "table"
+          severity: "CRITICAL,HIGH"
+          scanners: "vuln,secret,misconfig"
+          exit-code: "1"
diff --git a/README.md b/README.md
index 33aa89c..bf6a201 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 [![CodeQL](https://github.com/golang-queue/queue/actions/workflows/codeql.yaml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/codeql.yaml)
 [![Run Tests](https://github.com/golang-queue/queue/actions/workflows/go.yml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/go.yml)
 [![codecov](https://codecov.io/gh/golang-queue/queue/branch/master/graph/badge.svg?token=SSo3mHejOE)](https://codecov.io/gh/golang-queue/queue)
+[![Trivy Security Scan](https://github.com/golang-queue/queue/actions/workflows/security.yml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/security.yml)
 
 [繁體中文](./README.zh-tw.md) | [简体中文](./README.zh-cn.md)
 
diff --git a/README.zh-cn.md b/README.zh-cn.md
index 45b5573..998f94e 100644
--- a/README.zh-cn.md
+++ b/README.zh-cn.md
@@ -3,6 +3,7 @@
 [![CodeQL](https://github.com/golang-queue/queue/actions/workflows/codeql.yaml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/codeql.yaml)
 [![Run Tests](https://github.com/golang-queue/queue/actions/workflows/go.yml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/go.yml)
 [![codecov](https://codecov.io/gh/golang-queue/queue/branch/master/graph/badge.svg?token=SSo3mHejOE)](https://codecov.io/gh/golang-queue/queue)
+[![Trivy Security Scan](https://github.com/golang-queue/queue/actions/workflows/security.yml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/security.yml)
 
 [English](./README.md) | [繁體中文](./README.zh-tw.md)
 
diff --git a/README.zh-tw.md b/README.zh-tw.md
index 3ba19e3..791d0ca 100644
--- a/README.zh-tw.md
+++ b/README.zh-tw.md
@@ -3,6 +3,7 @@
 [![CodeQL](https://github.com/golang-queue/queue/actions/workflows/codeql.yaml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/codeql.yaml)
 [![Run Tests](https://github.com/golang-queue/queue/actions/workflows/go.yml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/go.yml)
 [![codecov](https://codecov.io/gh/golang-queue/queue/branch/master/graph/badge.svg?token=SSo3mHejOE)](https://codecov.io/gh/golang-queue/queue)
+[![Trivy Security Scan](https://github.com/golang-queue/queue/actions/workflows/security.yml/badge.svg)](https://github.com/golang-queue/queue/actions/workflows/security.yml)
 
 [English](./README.md) | [简体中文](./README.zh-cn.md)