diff --git a/tutor/yarn.lock b/tutor/yarn.lock
index b462d68..022180a 100644
--- a/tutor/yarn.lock
+++ b/tutor/yarn.lock
@@ -3569,9 +3569,9 @@ lodash.zip@^4.2.0:
   integrity sha1-7GZi5IlkCO1KtsVCo5kLcswIACA=
 
 lodash@^4.13.1, lodash@^4.17.11:
-  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==
 
 log-symbols@^2.0.0:
   version "2.2.0"