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/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index fc0c27b..0000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-name: Tests
-
-on:
-  push:
-    branches:
-    - master
-  pull_request:
-    branches:
-    - master
-
-defaults:
-  run:
-    shell: bash -l {0}
-
-jobs:
-  run:
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest]
-        python-version: [3.9]
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-
-    - name: Setup conda
-      uses: conda-incubator/setup-miniconda@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-        mamba-version: "*"
-        auto-activate-base: false
-        channels: conda-forge
-
-    - name: Install dependencies
-      run: mamba install ipython matplotlib flake8
-
-    - name: Install package
-      run: pip install .
-
-    - name: Test installation
-      run: python -c 'from matplotlib_inline.backend_inline import show'
-
-    - name: Test flake8
-      run: flake8 matplotlib_inline --ignore=E501,W504,W503