diff --git a/package-lock.json b/package-lock.json
index 9a0e662..dc4d391 100644
--- a/package-lock.json
+++ b/package-lock.json
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 }
diff --git a/package.json b/package.json
index 14d7a6a..6934159 100644
--- a/package.json
+++ b/package.json
@@ -31,13 +31,10 @@
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+    "d3": "4.10.2"
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 }