diff --git a/energy-viz/yarn.lock b/energy-viz/yarn.lock
index 4b5de11..29c69cc 100644
--- a/energy-viz/yarn.lock
+++ b/energy-viz/yarn.lock
@@ -541,8 +541,9 @@ locate-path@^3.0.0:
     path-exists "^3.0.0"
 
 lodash@^4.17.10:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lru-cache@^4.0.0:
   version "4.1.3"