diff --git a/6-tools/webpack-dev-server/hot-module-replacement-analysis/yarn.lock b/6-tools/webpack-dev-server/hot-module-replacement-analysis/yarn.lock
index 143847a..ba17fbf 100644
--- a/6-tools/webpack-dev-server/hot-module-replacement-analysis/yarn.lock
+++ b/6-tools/webpack-dev-server/hot-module-replacement-analysis/yarn.lock
@@ -1185,8 +1185,8 @@ loader-utils@^0.2.16:
     object-assign "^4.0.1"
 
 lodash@^4.14.0, lodash@^4.17.2:
-  version "4.17.4"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
 
 longest@^1.0.1:
   version "1.0.1"