diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 199250b..0c83f33 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -11,32 +11,16 @@ on:
 
 jobs:
   build:
+    strategy:
+      matrix:
+        go-version: ["stable", "oldstable"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v5
         with:
-          go-version: "stable"
-
-      - run: go version
-
-      - name: Build binary
-        run: make
-      
-      - name: Test
-        run: make test
-
-  old-go-build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "oldstable"
-
-      - run: go version
+          go-version: ${{ matrix.go-version }}
 
       - name: Build binary
         run: make
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..eac9218
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,39 @@
+name: "CodeQL Advanced"
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  schedule:
+    - cron: '0 13 * * 5'
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - language: go
+          build-mode: autobuild
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: ${{ matrix.language }}
+        build-mode: ${{ matrix.build-mode }}
+        queries: security-and-quality
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3
+      with:
+        category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
new file mode 100644
index 0000000..9f07e05
--- /dev/null
+++ b/.github/workflows/dependency-review.yml
@@ -0,0 +1,19 @@
+name: 'Dependency review'
+on:
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Checkout repository'
+        uses: actions/checkout@v4
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@v4
+        with:
+          comment-summary-in-pr: on-failure
diff --git a/.gitignore b/.gitignore
index f187d9a..0c67a4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,5 @@ dist
 out
 
 dist/
+
+.DS_Store