diff --git a/package-lock.json b/package-lock.json
index 141799b..3aa1fc4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,19 +1,19 @@
 {
   "name": "d3-tip",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@types/estree": {
-      "version": "0.0.38",
-      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.38.tgz",
-      "integrity": "sha512-F/v7t1LwS4vnXuPooJQGBRKRGIoxWUTmA4VHfqjOccFsNDThD5bfUNpITive6s352O7o384wcpEaDV8rHCehDA==",
+      "version": "0.0.40",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.40.tgz",
+      "integrity": "sha512-p3KZgMto/JyxosKGmnLDJ/dG5wf+qTRMUjHJcspC2oQKa4jP7mz+tv0ND56lLBu3ojHlhzY33Ol+khLyNmilkA==",
       "dev": true
     },
     "@types/node": {
-      "version": "8.10.11",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.11.tgz",
-      "integrity": "sha512-FM7tvbjbn2BUzM/Qsdk9LUGq3zeh7li8NcHoS398dBzqLzfmSqSP1+yKbMRTCcZzLcu2JAR5lq3IKIEYkto7iQ==",
+      "version": "12.12.21",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.21.tgz",
+      "integrity": "sha512-8sRGhbpU+ck1n0PGAUgVrWrWdjSW2aqNeyC15W88GRsMpSwzv6RJGlLhE7s2RhVSOdyDmxbqlWSeThq4/7xqlA==",
       "dev": true
     },
     "acorn": {
@@ -1138,13 +1138,22 @@
       }
     },
     "rollup": {
-      "version": "0.58.2",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.58.2.tgz",
-      "integrity": "sha512-RZVvCWm9BHOYloaE6LLiE/ibpjv1CmI8F8k0B0Cp+q1eezo3cswszJH1DN0djgzSlo0hjuuCmyeI+1XOYLl4wg==",
+      "version": "1.27.14",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.27.14.tgz",
+      "integrity": "sha512-DuDjEyn8Y79ALYXMt+nH/EI58L5pEw5HU9K38xXdRnxQhvzUTI/nxAawhkAHUQeudANQ//8iyrhVRHJBuR6DSQ==",
       "dev": true,
       "requires": {
-        "@types/estree": "0.0.38",
-        "@types/node": "*"
+        "@types/estree": "*",
+        "@types/node": "*",
+        "acorn": "^7.1.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
+          "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
+          "dev": true
+        }
       }
     },
     "run-async": {
diff --git a/package.json b/package.json
index 92300a8..0b3f357 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "eslint": "^3.3.1",
     "eslint-config-airbnb-base": "^5.0.3",
     "eslint-plugin-import": "^1.14.0",
-    "rollup": "^0.58.2"
+    "rollup": "^1.27.14"
   },
   "engines": {
     "node": ">=4.2.6"