diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8199ecd..686e1d9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,9 +3,6 @@ on: [push, pull_request]
 jobs:
   tests:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node: [18, 20]
 
     steps:
     - name: Checkout
@@ -15,7 +12,7 @@ jobs:
     - name: Setup Nodejs
       uses: actions/setup-node@v4
       with:
-        node-version: ${{ matrix.node }}
+        node-version-file: '.nvmrc'
     - name: Install dependencies
       run: npm ci
     - name: Validate package-lock.json changes