diff --git a/package-lock.json b/package-lock.json
index 195bec7..d5461ef 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -4217,6 +4400,7 @@
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@@ -4399,6 +4587,7 @@
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       "version": "github:mishoo/UglifyJS2#569757d14dbbe04f66af65d7bf0600b3a75efd96",
+      "from": "github:mishoo/UglifyJS2#569757d14dbbe04f66af65d7bf0600b3a75efd96",
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@@ -4470,6 +4659,7 @@
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@@ -4482,6 +4672,7 @@
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@@ -4491,6 +4682,7 @@
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@@ -4505,6 +4697,7 @@
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@@ -4526,6 +4720,7 @@
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@@ -4536,7 +4731,8 @@
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@@ -4560,13 +4756,15 @@
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diff --git a/package.json b/package.json
index 542ab3b..ded012d 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
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     "@babel/core": "^7.4.3",
     "@babel/preset-env": "^7.4.3",
-    "d3": "^5.9.2",
+    "d3": "^7.6.1",
     "d3-selection": "^1.4.0",
     "jsdom": "^15.0.0",
     "rollup": "^1.10.1",