diff --git a/.github/workflows/test_Ch02.yml b/.github/workflows/test_Ch02.yml
index 18a6a3e..5dec256 100644
--- a/.github/workflows/test_Ch02.yml
+++ b/.github/workflows/test_Ch02.yml
@@ -4,14 +4,11 @@ name: CI
 
 # Controls when the workflow will run
 on:
-  # Triggers the workflow on push or pull request events but only for the "main" branch
-  push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
-
-  # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
+      environment:
+        description: 'Environment to run tests against'
+        type: environment
+        required: true
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
@@ -25,12 +22,15 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v3
 
-      # Runs a single command using the runners shell
-      - name: Run a one-line script
-        run: echo Hello, world!
+      # Install
+      - name: Install dependencies 
+        run: |
+          pip install -r requirements.txt
+	  pip install ISLP
+          pip install jupyter
 
       # Runs a set of commands using the runners shell
-      - name: Run a multi-line script
+      - name: Build notebook
         run: |
-          echo Add other actions to build,
-          echo test, and deploy your project.
+          jupyter nbconvert --execute Ch02-statlearn-lab.ipynb
+