diff --git a/package.json b/package.json
index 195a83641..33fe316ee 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,9 @@
     "chore:generate-openapi": "tsx ./scripts/generate-openapi.ts",
     "chore:update-build-info": "tsx ./scripts/update-build-info.ts",
     "chore:update-version": "tsx ./scripts/update-version.ts",
-    "test": "pnpm nx run-many -t test",
+    "test": "pnpm test:parallel && pnpm test:sequential",
+    "test:parallel": "pnpm nx run-many -t test --all --exclude=ckeditor5-mermaid,ckeditor5-math --parallel",
+    "test:sequential": "pnpm nx run-many -t test --projects=ckeditor5-mermaid,ckeditor5-math --parallel=1",
     "coverage": "pnpm nx run-many -t coverage"
   },
   "private": true,