diff --git a/d3_graph_generator/yarn.lock b/d3_graph_generator/yarn.lock
index eb9fd3c..22f4c7b 100644
--- a/d3_graph_generator/yarn.lock
+++ b/d3_graph_generator/yarn.lock
@@ -6542,9 +6542,9 @@ lodash.uniq@^4.5.0:
   integrity sha512-xfBaXQd9ryd9dlSDvnvI0lvxfLJlYAZzXomUYzLKtUeOQvOP5piqAWuGtrhWeqaXK9hhoM/iyJc5AV+XfsX3HQ==
 
 lodash@^4.17.15, lodash@^4.17.20, lodash@^4.17.21, lodash@^4.7.0:
-  version "4.17.21"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
-  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+  version "4.18.1"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.18.1.tgz#ff2b66c1f6326d59513de2407bf881439812771c"
+  integrity sha512-dMInicTPVE8d1e5otfwmmjlxkZoUpiVLwyeTdUsi/Caj/gfzzblBcCE5sRHV/AsjuCmxWrte2TNGSYuCeCq+0Q==
 
 loose-envify@^1.1.0, loose-envify@^1.4.0:
   version "1.4.0"