diff --git a/package-lock.json b/package-lock.json
index 3fc130a..57c5214 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1065,9 +1065,9 @@
       }
     },
     "acorn": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "acorn-jsx": {
diff --git a/package.json b/package.json
index acc06fa..3d74a09 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@babel/preset-env": "7.4.5",
     "@babel/preset-react": "7.0.0",
     "@babel/register": "7.4.4",
-    "acorn": "^6.1.1",
+    "acorn": "^6.4.1",
     "babel-eslint": "10.0.1",
     "babel-loader": "^8.0.6",
     "css-loader": "=0.25.0",