diff --git a/packages/blocks/package.json b/packages/blocks/package.json
index 6459c2ad2d662..99c7597721945 100644
--- a/packages/blocks/package.json
+++ b/packages/blocks/package.json
@@ -37,7 +37,7 @@
 		"lodash": "^4.17.10",
 		"rememo": "^3.0.0",
 		"showdown": "^1.8.6",
-		"simple-html-tokenizer": "^0.4.1",
+		"simple-html-tokenizer": "^0.5.9",
 		"tinycolor2": "^1.4.1",
 		"uuid": "^3.1.0"
 	},