diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d044b4df..5a9f38c8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -4,7 +4,7 @@ jobs:
   build:
     strategy:
       matrix:
-        version: ['lts/*']
+        version: [20.11.0]
     timeout-minutes: 10
     runs-on: ubuntu-latest
     steps:
diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 48da4b53..9502094d 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -7,13 +7,13 @@ on:
 
 jobs:
   publish-npm:
-    strategy:
-      matrix:
-        version: ['lts/*']
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
+        with:
+          node-version: 20.11.0
+          registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm run build
       - run: npm publish