diff --git a/package.json b/package.json
index 271f4ff..875d35c 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "d3-transition": "^1.1.0",
     "dom-resize": "^1.0.3",
     "invariant": "^2.1.1",
-    "merge": "^1.2.0",
+    "merge": "^2.1.1",
     "moment": "^2.18.1",
     "moment-duration-format": "^1.3.0",
     "prop-types": "^15.5.10",
diff --git a/yarn.lock b/yarn.lock
index d300dfb..82ace1f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7198,6 +7198,11 @@ merge@^1.2.0:
   resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.1.tgz#38bebf80c3220a8a487b6fcfb3941bb11720c145"
   integrity sha512-VjFo4P5Whtj4vsLzsYBu5ayHhoHJ0UqNm7ibvShmbmoz7tGi0vXaoJbGdB+GmDMLUdg8DpQXEIeVDAe8MaABvQ==
 
+merge@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/merge/-/merge-2.1.1.tgz#59ef4bf7e0b3e879186436e8481c06a6c162ca98"
+  integrity sha512-jz+Cfrg9GWOZbQAnDQ4hlVnQky+341Yk5ru8bZSe6sIDTCIg8n9i/u7hSQGSVOF3C7lH6mGtqjkiT9G4wFLL0w==
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"