diff --git a/packages/documentsearch/package.json b/packages/documentsearch/package.json
index 9f930a5cb4dd..21608520c196 100644
--- a/packages/documentsearch/package.json
+++ b/packages/documentsearch/package.json
@@ -51,7 +51,7 @@
     "@lumino/polling": "^1.10.0",
     "@lumino/signaling": "^1.10.1",
     "@lumino/widgets": "^1.31.1",
-    "codemirror": "~5.61.0",
+    "codemirror": "~6.0.0",
     "react": "^17.0.1"
   },
   "devDependencies": {