diff --git a/package.json b/package.json
index 08c757f..0cf589a 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "gulp-livereload": "^3.8.1",
     "gulp-mjml": "^2.2.0",
     "gulp-pug2": "^0.0.2",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "node-fetch": "^1.7.1",
     "pug": "^2.0.0-rc.3",
     "tiny-lr": "^1.0.5"
diff --git a/yarn.lock b/yarn.lock
index 169fd09..6c2401c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2393,9 +2393,9 @@ lodash.unescape@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
 
-lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.2.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lodash@~1.0.1:
   version "1.0.2"