diff --git a/package-lock.json b/package-lock.json
index dd5699d..6b4db57 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10765,9 +10765,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "lodash.defaultsdeep": {
       "version": "4.6.1",
diff --git a/package.json b/package.json
index 2f3092b..83376fa 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "d3-delaunay": "4.1.3",
     "d3-dispatch-nosplit": "^2.0.1",
     "d3-drag": "^1.2.5",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.19",
     "simple-statistics": "^6.1.1"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index eab775e..b92b7d8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2448,7 +2448,7 @@ babel-plugin-jest-hoist@^23.2.0:
 
 babel-plugin-syntax-dynamic-import@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
 
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
@@ -7647,10 +7647,10 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@~4.17.10:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@~4.17.10:
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
+  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
 
 log-driver@^1.2.7:
   version "1.2.7"
@@ -11399,7 +11399,7 @@ through2@^2.0.0, through2@^2.0.3, through2@~2.0.0:
 
 "through@>=2.2.7 <3", through@^2.3.6:
   version "2.3.8"
-  resolved "http://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  resolved "https://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
 thunky@^1.0.2:
   version "1.1.0"