diff --git a/package.json b/package.json
index 6a7ee9763..bbfca1397 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
     "@cucumber/messages": "32.3.1",
     "@modelcontextprotocol/sdk": "^1.26.0",
     "@xmldom/xmldom": "0.9.10",
-    "acorn": "8.15.0",
+    "acorn": "8.18.0",
     "ai": "^6.0.43",
     "arrify": "3.0.0",
     "axios": "1.16.1",