diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 17f323f..b28fffe 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -29,10 +29,10 @@ jobs:
       - name: Use Node
         uses: actions/setup-node@v1
         with:
-          node-version: '8'
+          node-version: '12'
       - name: Install Puppeteer
         run: |
-          npm install -g puppeteer
+          npm install -g puppeteer@3.0.0
       - name: Install PlantUML
         run: |
           brew install plantuml
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 723f069..218fb4a 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -29,10 +29,10 @@ jobs:
       - name: Use Node
         uses: actions/setup-node@v1
         with:
-          node-version: '8'
+          node-version: '12'
       - name: Install Puppeteer
         run: |
-          npm install -g puppeteer
+          npm install -g puppeteer@3.0.0
       - name: Install PlantUML
         run: |
           sudo bash -c "curl -L https://github.com/riboseinc/plantuml-install/raw/master/ubuntu.sh | bash"
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index b71a45c..1ff6fd4 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -27,15 +27,14 @@ jobs:
         run: |
           gem install bundler
           bundle config --local path vendor/bundle
-          bundle update
           bundle install --jobs 4 --retry 3
       - name: Use Node
         uses: actions/setup-node@v1
         with:
-          node-version: '8'
+          node-version: '12'
       - name: Install Puppeteer
         run: |
-          npm install -g puppeteer
+          npm install -g puppeteer@3.0.0
       - name: Install PlantUML
         run: |
           cinst -y plantuml