diff --git a/.github/actions/setup-and-build/action.yaml b/.github/actions/setup-and-build/action.yaml
index d4f49fc35..7d59e3e87 100644
--- a/.github/actions/setup-and-build/action.yaml
+++ b/.github/actions/setup-and-build/action.yaml
@@ -17,7 +17,7 @@ runs:
     - name: Setup node.js
       uses: actions/setup-node@v4
       with:
-        node-version: 20
+        node-version: 22
         cache: 'pnpm'
         registry-url: 'https://registry.npmjs.org'
 
diff --git a/packages/language-support/package.json b/packages/language-support/package.json
index 99e1e6e38..3a1a284df 100644
--- a/packages/language-support/package.json
+++ b/packages/language-support/package.json
@@ -22,6 +22,7 @@
     "highlighting"
   ],
   "version": "2.0.0-next.20",
+  "type": "module",
   "main": "./dist/cjs/index.cjs",
   "module": "./dist/esm/project/language-support/src/index.js",
   "types": "./dist/esm/project/language-support/src/index.d.ts",
diff --git a/packages/react-codemirror/package.json b/packages/react-codemirror/package.json
index f7ad9f808..e71cad934 100644
--- a/packages/react-codemirror/package.json
+++ b/packages/react-codemirror/package.json
@@ -26,8 +26,8 @@
     "build": "tsc --declaration --outDir dist/",
     "clean": "rm -rf {dist,tsconfig.tsbuildinfo}",
     "test": "vitest run",
-    "test:e2e": "playwright test -c playwright-ct.config.ts",
-    "test:e2e-ui": "playwright test -c playwright-ct.config.ts --ui",
+    "test:e2e": "NODE_OPTIONS=--max-old-space-size=8192 playwright test -c playwright-ct.config.ts",
+    "test:e2e-ui": "NODE_OPTIONS=--max-old-space-size=8192 playwright test -c playwright-ct.config.ts --ui",
     "benchmark": "BENCHMARKING=true playwright test -c playwright-ct.config.ts -g \"benchmarking & performance test session\""
   },
   "repository": {
@@ -39,7 +39,7 @@
   },
   "engineStrict": true,
   "engines": {
-    "node": ">=18.18.2"
+    "node": ">=22.15.0"
   },
   "dependencies": {
     "@codemirror/autocomplete": "^6.17.0",