diff --git a/package.json b/package.json
index b287ef0..ac1e48a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@fitbit/sdk": "6.1.0",
-    "acorn": "8.14.0",
+    "acorn": "8.18.0",
     "acorn-jsx": "5.3.2",
     "chai": "4.5.0",
     "chai-as-promised": "7.1.2",