diff --git a/package.json b/package.json
index 694630f7..74e3b1df 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
   "dependencies": {
     "@google-cloud/common": "^2.0.0",
     "@sindresorhus/is": "^1.0.0",
-    "acorn": "^6.0.0",
+    "acorn": "^7.0.0",
     "coffeescript": "^2.0.0",
     "console-log-level": "^1.4.0",
     "extend": "^3.0.2",