diff --git a/rsg-chess-graphics/package.json b/rsg-chess-graphics/package.json
index 4804db7..5467833 100644
--- a/rsg-chess-graphics/package.json
+++ b/rsg-chess-graphics/package.json
@@ -22,7 +22,7 @@
     "eslint-plugin-node": "^6.0.1",
     "eslint-plugin-promise": "^3.6.0",
     "eslint-plugin-standard": "^3.0.1",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.17",
     "prop-types": "^15.6.1",
     "react": "^16.2.0",
     "react-bootstrap": "^0.31.5",
diff --git a/rsg-chess-graphics/yarn.lock b/rsg-chess-graphics/yarn.lock
index 2200d99..f54c3f1 100644
--- a/rsg-chess-graphics/yarn.lock
+++ b/rsg-chess-graphics/yarn.lock
@@ -2350,6 +2350,11 @@ lodash@^4.14.0, lodash@^4.17.4, lodash@^4.3.0:
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
+lodash@^4.17.17:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"