diff --git a/package.json b/package.json
index c461557..c10e473 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "browserify": "^13.0.1",
     "esmangle": "^1.0.1",
     "nyc": "^10.0.0",
-    "parse5": "^2.1.5",
+    "parse5": "^3.0.0",
     "remark-cli": "^2.1.0",
     "remark-preset-wooorm": "^1.0.0",
     "tape": "^4.0.0",