diff --git a/examples/javascript-datastructures-algorithms/yarn.lock b/examples/javascript-datastructures-algorithms/yarn.lock
index 33078b7..a9fd321 100644
--- a/examples/javascript-datastructures-algorithms/yarn.lock
+++ b/examples/javascript-datastructures-algorithms/yarn.lock
@@ -1472,8 +1472,8 @@ locate-path@^3.0.0:
     path-exists "^3.0.0"
 
 lodash@^4.17.13:
-  version "4.17.15"
-  resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lru-cache@^5.1.1:
   version "5.1.1"