diff --git a/.github/workflows/regenerate-toc.yml b/.github/workflows/regenerate-toc.yml
index c0e57ca..4da4a2a 100644
--- a/.github/workflows/regenerate-toc.yml
+++ b/.github/workflows/regenerate-toc.yml
@@ -11,19 +11,13 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [18.x, 20.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
-        node-version: ${{ matrix.node-version }}
+        node-version: '20'
         cache: 'npm'
-    - run: npm i -g doctoc # Install DocToc https://www.npmjs.com/package/doctoc
+    - run: npm i -g doctoc --no-package-lock # Install DocToc https://www.npmjs.com/package/doctoc
     - run: doctoc README.md # Process the file and regenerate its ToC