diff --git a/.github/codeql/config.yml b/.github/codeql/config.yml
new file mode 100644
index 00000000..af2bab52
--- /dev/null
+++ b/.github/codeql/config.yml
@@ -0,0 +1,7 @@
+name: 'Mermaid CodeQL config'
+
+paths:
+  - src
+paths-ignore:
+  - node_modules
+  - '**/*.spec.js'
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 8be1f515..3e562342 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -41,6 +41,7 @@ jobs:
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v1
         with:
+          config-file: ./.github/codeql/config.yml
           languages: ${{ matrix.language }}
           # If you wish to specify custom queries, you can do so here or in a config file.
           # By default, queries listed here will override any specified in a config file.
@@ -49,8 +50,8 @@ jobs:
 
       # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
       # If this step fails, then you should remove it and run the build manually (see below)
-      - name: Autobuild
-        uses: github/codeql-action/autobuild@v1
+      # - name: Autobuild
+      #   uses: github/codeql-action/autobuild@v1
 
       # ℹ️ Command-line programs to run using the OS shell.
       # 📚 https://git.io/JvXDl