diff --git a/.github/actions/setup-and-cache/action.yml b/.github/actions/setup-and-cache/action.yml
index b5528ea385ba..056f2a87748b 100644
--- a/.github/actions/setup-and-cache/action.yml
+++ b/.github/actions/setup-and-cache/action.yml
@@ -4,7 +4,7 @@ inputs:
   node-version:
     required: false
     description: Node version for setup-node
-    default: 18.x
+    default: 20.x
 
 runs:
   using: composite
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bdaf5c4d67ff..5056a27eed4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,12 +57,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node_version: [18]
+        node_version: [18, 20]
         include:
           - os: macos-latest
-            node_version: 18
+            node_version: 20
           - os: windows-latest
-            node_version: 18
+            node_version: 20
       fail-fast: false
 
     steps:
@@ -97,7 +97,7 @@ jobs:
 
       - uses: ./.github/actions/setup-and-cache
         with:
-          node-version: 18
+          node-version: 20
 
       - name: Install
         run: pnpm i
@@ -120,7 +120,7 @@ jobs:
 
       - uses: ./.github/actions/setup-and-cache
         with:
-          node-version: 18
+          node-version: 20
 
       - uses: browser-actions/setup-chrome@v1
       - uses: browser-actions/setup-firefox@v1
@@ -160,7 +160,7 @@ jobs:
 
       - uses: ./.github/actions/setup-and-cache
         with:
-          node-version: 18
+          node-version: 20
 
       - uses: browser-actions/setup-chrome@v1
       - uses: browser-actions/setup-edge@v1
@@ -191,7 +191,7 @@ jobs:
 
       - uses: ./.github/actions/setup-and-cache
         with:
-          node-version: 18
+          node-version: 20
 
       - name: Install
         run: sudo pnpm i --frozen-lockfile
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 18409fee520a..8aadd6127d7c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 20.x
 
       - run: npx changelogithub
         env:
diff --git a/packages/vitest/src/runtime/child.ts b/packages/vitest/src/runtime/child.ts
index 7314444ea3f3..a01bf5cb8779 100644
--- a/packages/vitest/src/runtime/child.ts
+++ b/packages/vitest/src/runtime/child.ts
@@ -75,8 +75,12 @@ async function init(ctx: ChildContext) {
     isChildProcess: true,
   }
 
-  // @ts-expect-error I know what I am doing :P
-  globalThis.__vitest_worker__ = state
+  Object.defineProperty(globalThis, '__vitest_worker__', {
+    value: state,
+    configurable: true,
+    writable: true,
+    enumerable: false,
+  })
 
   if (ctx.invalidates) {
     ctx.invalidates.forEach((fsPath) => {
diff --git a/packages/vitest/src/runtime/vm.ts b/packages/vitest/src/runtime/vm.ts
index 6f4ce418d22f..3dd0729a6408 100644
--- a/packages/vitest/src/runtime/vm.ts
+++ b/packages/vitest/src/runtime/vm.ts
@@ -86,7 +86,12 @@ export async function run(ctx: WorkerContext) {
   if (!isContext(context))
     throw new TypeError(`Environment ${ctx.environment.name} doesn't provide a valid context. It should be created by "vm.createContext" method.`)
 
-  context.__vitest_worker__ = state
+  Object.defineProperty(context, '__vitest_worker__', {
+    value: state,
+    configurable: true,
+    writable: true,
+    enumerable: false,
+  })
   // this is unfortunately needed for our own dependencies
   // we need to find a way to not rely on this by default
   // because browser doesn't provide these globals
diff --git a/packages/vitest/src/runtime/worker.ts b/packages/vitest/src/runtime/worker.ts
index d31f209cd716..979a478ebbf7 100644
--- a/packages/vitest/src/runtime/worker.ts
+++ b/packages/vitest/src/runtime/worker.ts
@@ -60,8 +60,12 @@ async function init(ctx: WorkerContext) {
     rpc,
   }
 
-  // @ts-expect-error I know what I am doing :P
-  globalThis.__vitest_worker__ = state
+  Object.defineProperty(globalThis, '__vitest_worker__', {
+    value: state,
+    configurable: true,
+    writable: true,
+    enumerable: false,
+  })
 
   if (ctx.invalidates) {
     ctx.invalidates.forEach((fsPath) => {
diff --git a/test/edge-runtime/test/node.test.ts b/test/edge-runtime/test/node.test.ts
deleted file mode 100644
index 1a5f47e1b27b..000000000000
--- a/test/edge-runtime/test/node.test.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import { expect, test } from 'vitest'
-
-test('node env should not have crypto', () => {
-  expect(globalThis).not.toHaveProperty('crypto')
-})