diff --git a/frontend/package.json b/frontend/package.json
index 6bd8cef..00b4df9 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -10,7 +10,8 @@
   "dependencies": {
     "axios": "^0.19.0",
     "d3.chart.sankey": "^0.4.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.13",
+    "lodash.defaultsdeep": "^4.6.1",
     "material-design-icons-iconfont": "^3.0.3",
     "raven-js": "^3.27.0",
     "roboto-fontface": "*",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 8168381..2aee6f3 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -4208,6 +4208,11 @@ lodash.defaultsdeep@^4.6.0:
   resolved "https://registry.yarnpkg.com/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.0.tgz#bec1024f85b1bd96cbea405b23c14ad6443a6f81"
   integrity sha1-vsECT4WxvZbL6kBbI8FK1kQ6b4E=
 
+lodash.defaultsdeep@^4.6.1:
+  version "4.6.1"
+  resolved "https://registry.yarnpkg.com/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.1.tgz#512e9bd721d272d94e3d3a63653fa17516741ca6"
+  integrity sha512-3j8wdDzYuWO3lM3Reg03MuQR957t287Rpcxp1njpEa8oDrikb+FwGdW3n+FELh/A6qib6yPit0j/pv9G/yeAqA==
+
 lodash.mapvalues@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.mapvalues/-/lodash.mapvalues-4.6.0.tgz#1bafa5005de9dd6f4f26668c30ca37230cc9689c"
@@ -4233,6 +4238,11 @@ lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
+lodash@^4.17.13:
+  version "4.17.14"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.14.tgz#9ce487ae66c96254fe20b599f21b6816028078ba"
+  integrity sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==
+
 log-symbols@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"