diff --git a/package-lock.json b/package-lock.json
index a860cfef..07f8cbb7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,10 @@
       "license": "MIT",
       "dependencies": {
         "@codemirror/lang-json": "^6.0.2",
+        "@codemirror/lint": "^6.8.5",
+        "@codemirror/state": "^6.5.2",
         "@codemirror/theme-one-dark": "^6.1.3",
+        "@codemirror/view": "^6.38.2",
         "@dnd-kit/core": "^6.3.1",
         "@dnd-kit/sortable": "^10.0.0",
         "@dnd-kit/utilities": "^3.2.2",
diff --git a/package.json b/package.json
index 7fbfcd39..55725c34 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,10 @@
   "homepage": "https://github.com/maplibre/maputnik#readme",
   "dependencies": {
     "@codemirror/lang-json": "^6.0.2",
+    "@codemirror/lint": "^6.8.5",
+    "@codemirror/state": "^6.5.2",
     "@codemirror/theme-one-dark": "^6.1.3",
+    "@codemirror/view": "^6.38.2",
     "@dnd-kit/core": "^6.3.1",
     "@dnd-kit/sortable": "^10.0.0",
     "@dnd-kit/utilities": "^3.2.2",