diff --git a/deps/acorn-plugins/acorn-static-class-features/package.json b/deps/acorn-plugins/acorn-static-class-features/package.json
index 066223d9965df5..7a65b1293e1697 100644
--- a/deps/acorn-plugins/acorn-static-class-features/package.json
+++ b/deps/acorn-plugins/acorn-static-class-features/package.json
@@ -26,7 +26,7 @@
     "acorn": "^6.1.0",
     "eslint": "^5.13.0",
     "eslint-plugin-node": "^8.0.1",
-    "mocha": "^5.2.0",
+    "mocha": "^6.2.3",
     "test262": "git+https://github.com/tc39/test262.git#33a306d1026b72227eb50a918db19ada16f12b3d",
     "test262-parser-runner": "^0.5.0"
   },