diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2dacf4e..492d7a2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,8 +10,9 @@ jobs:
     strategy:
       matrix:
         node:
-          - '14'
           - '16'
+          - '18'
+          - '20'
     steps:
       - uses: actions/checkout@v2
       - name: Setup node
diff --git a/package.json b/package.json
index 2d6b261..7519ac2 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "sinon": "^15.0.0",
     "subfont": "^7.0.0",
     "unexpected": "^13.0.0",
-    "unexpected-dom": "^5.0.0",
+    "unexpected-dom": "^6.0.0",
     "unexpected-resemble": "^5.0.0",
     "unexpected-sinon": "^11.0.0",
     "urltools": "^0.4.1",