diff --git a/package.json b/package.json
index acb3bcb..3b3e674 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   "dependencies": {
     "@babel/standalone": "^7.4.5",
     "he": "^1.2.0",
-    "marked": "^1.2.3"
+    "marked": "^4.1.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.0.0",
diff --git a/src/createRenderer.js b/src/createRenderer.js
index f75c1bb..e0cd642 100644
--- a/src/createRenderer.js
+++ b/src/createRenderer.js
@@ -1,4 +1,4 @@
-import marked from 'marked';
+import { Renderer } from 'marked';
 import he from 'he';
 
 export function codeRenderer(tracker, options) {
@@ -42,7 +42,7 @@ export function codeRenderer(tracker, options) {
 }
 
 export default function createRenderer(tracker, options, overrides = {}) {
-  const renderer = new marked.Renderer();
+  const renderer = new Renderer();
 
   function getTocPosition(toc, level) {
     let currentLevel = toc.children;
diff --git a/src/index.js b/src/index.js
index 0b1a2c1..d917616 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,4 @@
-import marked from 'marked';
+import { marked } from 'marked';
 import createRenderer, { codeRenderer } from './createRenderer';
 
 export function marksy(options = {}) {