diff --git a/examples/rails-d3-app/package.json b/examples/rails-d3-app/package.json
index d7c63f8b..8089a2de 100644
--- a/examples/rails-d3-app/package.json
+++ b/examples/rails-d3-app/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "color-convert": "^2.0.1",
-    "d3": "^7.8.2",
+    "d3": "^7.9.0",
     "d3-node": "^3.0.0",
     "linkedom": "^0.16.8"
   }
diff --git a/yarn.lock b/yarn.lock
index 3527fa2b..c8bc04b7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2466,10 +2466,10 @@ d3@^5.16.0:
     d3-voronoi "1"
     d3-zoom "1"
 
-d3@^7.8.2:
-  version "7.8.2"
-  resolved "https://registry.npmjs.org/d3/-/d3-7.8.2.tgz"
-  integrity sha512-WXty7qOGSHb7HR7CfOzwN1Gw04MUOzN8qh9ZUsvwycIMb4DYMpY9xczZ6jUorGtO6bR9BPMPaueIKwiDxu9uiQ==
+d3@^7.9.0:
+  version "7.9.0"
+  resolved "https://registry.yarnpkg.com/d3/-/d3-7.9.0.tgz#579e7acb3d749caf8860bd1741ae8d371070cd5d"
+  integrity sha512-e1U46jVP+w7Iut8Jt8ri1YsPOvFpg46k+K8TpCb0P+zjCkjkPnV7WzfDJzMHy1LnA+wj5pLT1wjO901gLXeEhA==
   dependencies:
     d3-array "3"
     d3-axis "3"