diff --git a/package-lock.json b/package-lock.json
index 00d0b6e..169f46b 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -9233,6 +9291,11 @@
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+      "resolved": "https://registry.npmjs.org/robust-predicates/-/robust-predicates-3.0.1.tgz",
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@@ -9254,7 +9317,7 @@
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-          "dev": true
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+          "optional": true
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@@ -9335,7 +9399,7 @@
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-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
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-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -10452,7 +10516,7 @@
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@@ -11814,6 +11878,7 @@
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+      "optional": true,
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diff --git a/package.json b/package.json
index 51ab671..0d58ede 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
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+    "d3": "^7.6.1",
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