diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3bdbee7..ae9371e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -600,9 +600,11 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
+      # Node 22: vitest 5 dropped Node 20, and @companion-module/base 2.1
+      # itself declares node ^22.20 (Companion 5 ships Node 22).
       - uses: actions/setup-node@v7
         with:
-          node-version: 20
+          node-version: 22
 
       - name: Install dependencies
         run: npm install
diff --git a/companion/companion-module-corevideo-obs/package.json b/companion/companion-module-corevideo-obs/package.json
index 967af8b..2e6e8ac 100644
--- a/companion/companion-module-corevideo-obs/package.json
+++ b/companion/companion-module-corevideo-obs/package.json
@@ -37,7 +37,7 @@
     "@types/node": "^26.4.1",
     "@types/ws": "^8.0.0",
     "typescript": "^7.0.2",
-    "vitest": "^4.1.9"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=18"