diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index da26af6..cd28407 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -10,7 +10,7 @@ jobs:
       # Setup .npmrc file to publish to npm
       - uses: actions/setup-node@v3
         with:
-          node-version: '18.x'
+          node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
       - run: npm ci
       - run: npm publish
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index d1d505b..62cef7f 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x]
+        node-version: [16.x, 18.x, 20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/.nvmrc b/.nvmrc
index 3c03207..209e3ef 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-18
+20