diff --git a/package-lock.json b/package-lock.json
index 7bcceb4776e60..ec21e072ed145 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3045,7 +3045,7 @@
 				"lodash": "^4.17.11",
 				"rememo": "^3.0.0",
 				"showdown": "^1.8.6",
-				"simple-html-tokenizer": "^0.4.1",
+				"simple-html-tokenizer": "^0.5.7",
 				"tinycolor2": "^1.4.1",
 				"uuid": "^3.3.2"
 			}
@@ -19535,9 +19535,9 @@
 			}
 		},
 		"simple-html-tokenizer": {
-			"version": "0.4.1",
-			"resolved": "https://registry.npmjs.org/simple-html-tokenizer/-/simple-html-tokenizer-0.4.1.tgz",
-			"integrity": "sha1-AomIu3/osuZkVnbYIFJYfUQLAtM="
+			"version": "0.5.7",
+			"resolved": "https://registry.npmjs.org/simple-html-tokenizer/-/simple-html-tokenizer-0.5.7.tgz",
+			"integrity": "sha512-APW9iYbkJ5cijjX4Ljhf3VG8SwYPUJT5gZrwci/wieMabQxWFiV5VwsrP5c6GMRvXKEQMGkAB1d9dvW66dTqpg=="
 		},
 		"simple-swizzle": {
 			"version": "0.2.2",
diff --git a/packages/blocks/package.json b/packages/blocks/package.json
index ebcb2c2c911cb..a3c679448f01d 100644
--- a/packages/blocks/package.json
+++ b/packages/blocks/package.json
@@ -38,7 +38,7 @@
 		"lodash": "^4.17.11",
 		"rememo": "^3.0.0",
 		"showdown": "^1.8.6",
-		"simple-html-tokenizer": "^0.4.1",
+		"simple-html-tokenizer": "^0.5.7",
 		"tinycolor2": "^1.4.1",
 		"uuid": "^3.3.2"
 	},
diff --git a/packages/blocks/src/api/validation.js b/packages/blocks/src/api/validation.js
index 335f5c3b8bd39..50692a7414eff 100644
--- a/packages/blocks/src/api/validation.js
+++ b/packages/blocks/src/api/validation.js
@@ -1,7 +1,7 @@
 /**
  * External dependencies
  */
-import Tokenizer from 'simple-html-tokenizer/dist/es6/tokenizer';
+import { Tokenizer } from 'simple-html-tokenizer';
 import {
 	identity,
 	xor,
diff --git a/test/unit/jest.config.js b/test/unit/jest.config.js
index 0650c896a20ff..e2719c7eca657 100644
--- a/test/unit/jest.config.js
+++ b/test/unit/jest.config.js
@@ -25,7 +25,4 @@ module.exports = {
 		'<rootDir>/.*/build/',
 		'<rootDir>/.*/build-module/',
 	],
-	transformIgnorePatterns: [
-		'node_modules/(?!(simple-html-tokenizer)/)',
-	],
 };