diff --git a/codebuild-notify/yarn.lock b/codebuild-notify/yarn.lock
index 53185c1..90bb052 100644
--- a/codebuild-notify/yarn.lock
+++ b/codebuild-notify/yarn.lock
@@ -192,9 +192,9 @@ jsprim@^1.2.2:
     verror "1.10.0"
 
 lodash@^4.15.0:
-  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==
 
 mime-db@1.40.0:
   version "1.40.0"