diff --git a/client/apps/hello_world/package.json b/client/apps/hello_world/package.json
index 6247523..bbdf671 100644
--- a/client/apps/hello_world/package.json
+++ b/client/apps/hello_world/package.json
@@ -12,7 +12,7 @@
     "babel-runtime": "^6.26.0",
     "es6-promise": "^4.2.5",
     "history": "^4.7.2",
-    "lodash": "4.17.11",
+    "lodash": "4.17.21",
     "prop-types": "^15.6.1",
     "react": "^16.7.0",
     "react-dom": "^16.7.0",
diff --git a/client/apps/hello_world_graphql/package.json b/client/apps/hello_world_graphql/package.json
index fd2fabf..05cd14b 100644
--- a/client/apps/hello_world_graphql/package.json
+++ b/client/apps/hello_world_graphql/package.json
@@ -20,7 +20,7 @@
     "graphql": "^14.1.1",
     "graphql-tag": "^2.10.1",
     "history": "^4.7.2",
-    "lodash": "4.17.11",
+    "lodash": "4.17.21",
     "prop-types": "^15.6.1",
     "react": "^16.7.0",
     "react-apollo": "^2.3.3",
diff --git a/yarn.lock b/yarn.lock
index ca59153..2102cf6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6413,18 +6413,10 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@4.17.11:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-
-lodash@^4.0.0, lodash@^4.2.0, lodash@~4.17.10:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
-
-lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.4, lodash@^4.17.5:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@4.17.21, lodash@^4.0.0, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@~4.17.10:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lodash@~2.4.1:
   version "2.4.2"
@@ -7268,7 +7260,7 @@ once@^1.3.0, once@^1.3.1, once@^1.4.0:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"