diff --git a/package.json b/package.json
index 5156c85..0badb1e 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "dependencies": {
         "ejs": "^3.1.5",
         "express": "~4.11.0",
-        "lodash": "^4.17.20"
+        "lodash": "^4.17.21"
     },
     "devDependencies": {
         "prettier": "^2.2.1"
diff --git a/yarn.lock b/yarn.lock
index 8bc42fd..556ccc0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -203,10 +203,10 @@ jake@^10.6.1:
     filelist "^1.0.1"
     minimatch "^3.0.4"
 
-lodash@^4.17.20:
-  version "4.17.20"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
-  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 media-typer@0.3.0:
   version "0.3.0"