diff --git a/package-lock.json b/package-lock.json
index ef07fa6..60ff672 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -112,9 +112,9 @@
       }
     },
     "acorn": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
-      "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "acorn-dynamic-import": {
diff --git a/package.json b/package.json
index 35a8b9d..d8df8eb 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "overscore": "git://github.com/jesusr/overscore.git"
   },
   "devDependencies": {
-    "acorn": "^6.4.0",
+    "acorn": "^6.4.1",
     "babel": "^6.23.0",
     "babel-core": "^6.24.1",
     "babel-loader": "^7.0.0",