diff --git a/package.json b/package.json
index ee937d0..2cfd465 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "koa-router": "7.4.0",
     "koa-session": "5.12.3",
     "koa-static": "5.0.0",
-    "lodash": "4.17.15",
+    "lodash": "4.17.19",
     "markdown-to-jsx": "^6.11.4",
     "mockjs": "1.1.0",
     "moment": "2.24.0",