diff --git a/package.json b/package.json
index c126f5a..621cbd6 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "jquery-migrate": "^3.0.0",
     "jquery.cookie": "^1.4.1",
     "localforage": "^1.5.0",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "moment": "^2.19.3",
     "photoswipe": "^4.1.2",
     "picturefill": "^3.0.2",
diff --git a/yarn.lock b/yarn.lock
index 2143077..4722405 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -207,9 +207,9 @@ localforage@^1.5.0:
   dependencies:
     lie "3.0.2"
 
-lodash@^4.17.19:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 moment@^2.19.3:
   version "2.19.3"