diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 4c7fd0f..e61ce35 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18.x'
+          node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
       - run: yarn
       - run: yarn build
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index cfc6fe5..241c458 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -14,10 +14,10 @@ jobs:
 
     - uses: actions/checkout@v1
 
-    - name: Use Node.js 18.x
+    - name: Use Node.js 20.x
       uses: actions/setup-node@v1
       with:
-        node-version: 18.x
+        node-version: 20.x
 
     - name: yarn install, yarn test:coverage
       run: |
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 81bd454..52418bc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,10 +13,10 @@ jobs:
 
     - uses: actions/checkout@v1
 
-    - name: Use Node.js 18.x
+    - name: Use Node.js 20.x
       uses: actions/setup-node@v1
       with:
-        node-version: 18.x
+        node-version: 20.x
 
     - name: yarn install, yarn test:coverage
       run: |