diff --git a/package.json b/package.json
index daeab8e..6a70163 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "@lezer/css": "^1.0.0"
   },
   "devDependencies": {
-    "@codemirror/buildhelper": "^0.1.0"
+    "@codemirror/buildhelper": "^1.0.0"
   },
   "repository": {
     "type": "git",