diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index e8d9a9a..c0effaf
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "gatsby-plugin-react-next": "^1.0.11",
     "gatsby-plugin-styled-components": "^2.0.11",
     "invert-color": "^1.5.0",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.21",
     "react-helmet": "^5.2.0",
     "rebass": "^2.0.0-10",
     "styled-components": "^3.4.1"
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 2d4dd62..874d43a
--- a/yarn.lock
+++ b/yarn.lock
@@ -5322,10 +5322,10 @@ lodash@3.10.1:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
   integrity sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=
 
-lodash@4, lodash@^4.0.0, lodash@^4.1.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.6.1:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
-  integrity sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==
+lodash@4, lodash@^4.0.0, lodash@^4.1.0, lodash@^4.13.1, lodash@^4.17.10, 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:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lodash@4.11.1:
   version "4.11.1"