diff --git a/package.json b/package.json
index d06f387..f1be7f7 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "jquery-validation": "^1.17.0",
     "js-cookie": "^2.2.0",
     "jstz": "^1.0.10",
-    "lodash": "^4.17.5",
+    "lodash": "^4.17.21",
     "moment": "^2.22.1",
     "preact": "^8.3.0",
     "skatejs": "^5.1.1",
diff --git a/yarn.lock b/yarn.lock
index 829b4ec..328a46f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1466,7 +1466,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -3147,9 +3147,10 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.17.5:
-  version "4.17.5"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
+lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.4:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 loglevel@^1.4.1:
   version "1.6.1"