diff --git a/package.json b/package.json
index 1af00a69..526fa78f 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "gatsby-source-filesystem": "^2.1.46",
     "gatsby-transformer-json": "^2.2.25",
     "history": "^4.10.1",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "react-helmet": "^5.2.1",
diff --git a/yarn.lock b/yarn.lock
index febb7c24..4cc31c3c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6467,10 +6467,10 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.11.1, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.11.1, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-update@^3.0.0:
   version "3.3.0"