diff --git a/dsl/tsconfig.json b/dsl/tsconfig.json
index 81356424d..78358e809 100644
--- a/dsl/tsconfig.json
+++ b/dsl/tsconfig.json
@@ -2,21 +2,18 @@
   "compilerOptions": {
     "moduleResolution": "node",
     "declaration": true,
-    "target": "es2017",
+    "target": "es2019",
     "module": "commonjs",
     "outDir": "lib",
     "pretty": true,
     "noEmitOnError": true,
-    "experimentalDecorators": true,
+    "experimentalDecorators": false,
     "sourceMap": true,
-    "emitDecoratorMetadata": true,
+    "emitDecoratorMetadata": false,
     "strict": true,
     "esModuleInterop": true,
     "removeComments": true,
-    "noUnusedLocals": true,
-    "lib": [
-      "esnext"
-    ]
+    "noUnusedLocals": true
   },
   "exclude": ["examples"],
   "include": ["./src/*.ts"]
diff --git a/package.json b/package.json
index 9147a37be..ff8ca8ac8 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "test:coverage-ui": "tap test/{unit,acceptance}/{*,**/*}.test.js --coverage --coverage-report=html --nyc-arg=\"--exclude=api\"",
     "test:dsl": "npm run lint:dsl && npm run build:ts && tap --ts test/dsl/*.test.ts",
     "lint": "standard",
-    "lint:dsl": "standardx --parser @typescript-eslint/parser --plugin @typescript-eslint/eslint-plugin dsl/src/*.ts dsl/examples/*.ts",
+    "lint:dsl": "standardx --parser @typescript-eslint/parser --plugin @typescript-eslint/eslint-plugin dsl/src/*.ts dsl/examples/*.ts test/dsl/*.ts",
     "lint:fix": "standard --fix",
     "license-checker": "license-checker --production --onlyAllow='MIT;Apache-2.0;Apache1.1;ISC;BSD-3-Clause;BSD-2-Clause'",
     "build:esm": "npx gen-esm-wrapper . index.mjs && standard --fix index.mjs",