diff --git a/wechat/yarn.lock b/wechat/yarn.lock
index 161038d..a45fa62 100644
--- a/wechat/yarn.lock
+++ b/wechat/yarn.lock
@@ -248,8 +248,8 @@ jmespath@0.15.0:
   resolved "https://registry.yarnpkg.com/jmespath/-/jmespath-0.15.0.tgz#a3f222a9aae9f966f5d27c796510e28091764217"
 
 lodash@^4.0.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
 
 media-typer@0.3.0:
   version "0.3.0"