diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index a2b3ae9..654e261 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -18,13 +18,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
+
       - name: Use Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v1
         with:
           node-version: ${{ env.NODE_VERSION }}
           yarn-version: ${{ env.YARN_VERSION }}
-      - name: Print Yarn version
+      - name: Check Yarn version
         run: yarn --version
+      - name: Check Node.js version
+        run: node --version
       - name: yarn install and build
         run: |
           # Build and test the project, then
diff --git a/deploy.sh b/deploy.sh
index 615727c..ada8783 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -23,6 +23,10 @@ exitWithMessageOnError () {
 hash node 2>/dev/null
 exitWithMessageOnError "Missing node.js executable, please install node.js, if already installed make sure it can be reached from current environment."
 
+# Verify yarn installed
+hash yarn 2>/dev/null
+exitWithMessageOnError "Missing yarn executable, please install yarn, if already installed make sure it can be reached from current environment."
+
 # Setup
 # -----
 
@@ -97,6 +101,14 @@ selectNodeVersion
 DESIRED_YARN_VERSION="1.22.22"
 installYarn
 
+# Print Node.js version
+echo "Node.js version 1:"
+node --version
+
+# Print Yarn version
+echo "Yarn version 1:"
+yarn --version
+
 # 4. Install npm packages
 if [ -e "$DEPLOYMENT_TARGET/package.json" ]; then
   cd "$DEPLOYMENT_TARGET"