diff --git a/package.json b/package.json
index e479a38..86657cb 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "retext-profanities": "~7.1.0",
     "unified": "^10.0.0",
     "unified-diff": "^4.0.0",
-    "unified-engine": "^9.0.0",
+    "unified-engine": "^10.0.0",
     "update-notifier": "^5.0.0",
     "vfile": "^5.0.0",
     "vfile-reporter": "^7.0.0",