diff --git a/.github/workflows/check-node-modules-size.yml b/.github/workflows/check-node-modules-size.yml
new file mode 100644
index 0000000..99519bc
--- /dev/null
+++ b/.github/workflows/check-node-modules-size.yml
@@ -0,0 +1,48 @@
+name: Check Node Modules Size
+
+on:
+  pull_request:
+    paths:
+      # `yarn.lock` should no longer be present, but we'll keep this here in case we add it back.
+      - yarn.lock
+      - package.json
+
+  push:
+    branches:
+      - "*"
+
+jobs:
+  analyze-size:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Get main branch node_modules size
+        id: main_size
+        run: echo "::set-output name=size::$(du -sh node_modules | awk '{print $1}')"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Analyze node_modules size
+        id: current_size
+        run: echo "::set-output name=size::$(du -sh node_modules | awk '{print $1}')"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Compare sizes and send alert
+        if: ${{ steps.current_size.outputs.size != steps.main_size.outputs.size }}
+        run: |
+          echo "Node Modules size has changed!"
+          echo "Main branch size: ${{ steps.main_size.outputs.size }}"
+          echo "Current branch size: ${{ steps.current_size.outputs.size }}"
+          # Add your alerting mechanism here, such as sending a Slack notification, creating an issue, etc.