diff --git a/package.json b/package.json
index d61bb2e..60af4e2 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "botkit": "^0.6.11",
     "dryrun": "^1.0.2",
     "js-yaml": "^3.10.0",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "moment": "^2.19.3",
     "node-schedule": "^1.2.5",
     "nodemailer": "^4.4.0",
diff --git a/yarn.lock b/yarn.lock
index 3c9cb5f..2e7c091 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3849,11 +3849,7 @@ lodash.uniq@^4.2.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.11.1, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.6.1:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.21:
+lodash@^4.0.0, lodash@^4.11.1, lodash@^4.14.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.6.1:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"