diff --git a/deps/npm/node_modules/event-target-shim/package.json b/deps/npm/node_modules/event-target-shim/package.json
index 40326f3d74ad45..a5e5fb9acccedb 100644
--- a/deps/npm/node_modules/event-target-shim/package.json
+++ b/deps/npm/node_modules/event-target-shim/package.json
@@ -38,7 +38,7 @@
     "assert": "^1.4.1",
     "codecov": "^3.1.0",
     "eslint": "^5.12.1",
-    "karma": "^3.1.4",
+    "karma": "^4.2.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-coverage": "^1.1.2",
     "karma-firefox-launcher": "^1.0.0",