diff --git a/package.json b/package.json
index efc765b..45c56f4 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   ],
   "dependencies": {
     "@kikobeats/time-span": "~1.0.5",
-    "acorn": "~8.17.0",
+    "acorn": "~8.18.0",
     "acorn-walk": "~8.3.4",
     "debug-logfmt": "~1.4.0",
     "ensure-error": "~3.0.1",