diff --git a/tools/node_modules/eslint-plugin-markdown/node_modules/debug/package.json b/tools/node_modules/eslint-plugin-markdown/node_modules/debug/package.json
index da809d2b8d28b2..fe0b615d1ae64e 100644
--- a/tools/node_modules/eslint-plugin-markdown/node_modules/debug/package.json
+++ b/tools/node_modules/eslint-plugin-markdown/node_modules/debug/package.json
@@ -41,7 +41,7 @@
     "karma": "^3.1.4",
     "karma-browserify": "^6.0.0",
     "karma-chrome-launcher": "^2.2.0",
-    "karma-mocha": "^1.3.0",
+    "karma-mocha": "^2.0.0",
     "mocha": "^5.2.0",
     "mocha-lcov-reporter": "^1.2.0",
     "xo": "^0.23.0"