diff --git a/third_party/amp-toolbox-cache-url/package.json b/third_party/amp-toolbox-cache-url/package.json
index 482918b88d8f..98ba9997a66b 100644
--- a/third_party/amp-toolbox-cache-url/package.json
+++ b/third_party/amp-toolbox-cache-url/package.json
@@ -39,7 +39,7 @@
     "karma": "3.1.4",
     "karma-chrome-launcher": "2.2.0",
     "karma-jasmine": "1.1.2",
-    "npm-run-all": "4.1.3",
+    "npm-run-all": "4.1.5",
     "rollup": "0.66.5",
     "rollup-plugin-commonjs": "9.1.8",
     "rollup-plugin-filesize": "4.0.1",