diff --git a/packages/blocks/package.json b/packages/blocks/package.json
index 0235f2c45f3e7..bde54d36864b9 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": "^0.5.11",
 		"tinycolor2": "^1.4.1",
 		"uuid": "^3.3.2"
 	},