diff --git a/package.json b/package.json
index dec0226..9ea9061 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "gatsby-transformer-remark": "^1.7.40",
     "handlebars": "^4.1.2",
     "js-yaml": "^3.13.1",
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "lodash-es": "^4.17.14",
     "lodash.merge": "^4.6.2",
     "lodash.mergewith": "^4.6.2",
diff --git a/yarn.lock b/yarn.lock
index 8daf31e..5b85cff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5379,18 +5379,14 @@ lodash@3.10.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@4, lodash@^4.0.0, lodash@^4.1.0, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.6.1, lodash@~4.17.10:
-  version "4.17.14"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.14.tgz#9ce487ae66c96254fe20b599f21b6816028078ba"
+lodash@4, lodash@^4.0.0, lodash@^4.1.0, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.6.1, lodash@~4.17.10:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lodash@4.11.1:
   version "4.11.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.11.1.tgz#a32106eb8e2ec8e82c241611414773c9df15f8bc"
 
-lodash@^4.17.13:
-  version "4.17.13"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.13.tgz#0bdc3a6adc873d2f4e0c4bac285df91b64fc7b93"
-
 log-symbols@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-1.0.2.tgz#376ff7b58ea3086a0f09facc74617eca501e1a18"