diff --git a/package.json b/package.json
index 6c2544d..c8c4b9e 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "json-parse": "^1.0.3",
     "json-stringify": "^1.0.0",
     "jsonwebtoken": "^5.5.4",
-    "lodash": "^4.1.0",
+    "lodash": "^4.17.21",
     "moment": "^2.15.2",
     "pg": "^4.4.3",
     "request": "^2.74.0",
diff --git a/yarn.lock b/yarn.lock
index 7c778aa..31eeb78 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3491,9 +3491,9 @@ lodash@^3.5.0, lodash@^3.8.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.0.1, lodash@^4.1.0, lodash@^4.12.0, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.5, lodash@^4.8.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+lodash@^4.0.0, lodash@^4.0.1, lodash@^4.12.0, lodash@^4.17.21, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.5, lodash@^4.8.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lodash@~1.0.1:
   version "1.0.2"