diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..94d110b
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,37 @@
+name: "CodeQL"
+on:
+  workflow_dispatch:
+  #push:
+  #  branches: [master]
+  #pull_request:
+  #  branches: [master]
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["python"]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+    
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        queries: security-and-quality
+    
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v2
+    
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2
\ No newline at end of file
diff --git a/.github/workflows/test-on-push-and-pr.yml b/.github/workflows/test-on-push-and-pr.yml
deleted file mode 100644
index fe17cda..0000000
--- a/.github/workflows/test-on-push-and-pr.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: test-on-push-and-pr
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ '*' ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-      env:
-        GITHUB_WORKSPACE: /
-    - name: Set up python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.8'
-    - name: Run 'pr' target
-      run: make pr