diff --git a/package-lock.json b/package-lock.json
index fc271ce2..a50e12e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -786,9 +786,9 @@
       }
     },
     "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=="
     },
     "acorn-globals": {
       "version": "4.3.4",
diff --git a/package.json b/package.json
index 570990b8..df46fd4e 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "test": "npm run lint && gulp generate-assets && jest"
   },
   "dependencies": {
-    "acorn": "^6.0.5",
+    "acorn": "^6.4.1",
     "ansi-colors": "^3.2.3",
     "basic-auth": "^2.0.0",
     "basic-auth-connect": "^1.0.0",