diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 7f4144d..c8bd872 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: "20.x"
+          node-version: '20.x'
       - name: tests and coverage
         run: |
           npm install
diff --git a/.travis.yml b/.travis.yml
index feb54c7..000a016 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: node_js
-node_js: "20"
+node_js: '20'
 cache: npm
 
 install: