diff --git a/project_5/smart_contracts/yarn.lock b/project_5/smart_contracts/yarn.lock
index de25ad9..f3429df 100644
--- a/project_5/smart_contracts/yarn.lock
+++ b/project_5/smart_contracts/yarn.lock
@@ -1841,9 +1841,9 @@ lodash.assign@^4.0.3, lodash.assign@^4.0.6:
   integrity sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=
 
 lodash@^4.17.10, lodash@^4.17.4:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 loose-envify@^1.0.0:
   version "1.4.0"