diff --git a/setup.py b/setup.py
index 3cbbf1b62f..ce7ca28bcb 100755
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ install_requires = [
     "draftjs_exporter>=2.0,<3.0",
     "Pillow>=4.0.0,<6.0",
     "beautifulsoup4>=4.5.1,<5.0",
-    "html5lib>=0.999,<1",
+    "html5lib>=0.999,<2",
     "Unidecode>=0.04.14,<1.0",
     "Willow>=1.1,<1.2",
     "requests>=2.11.1,<3.0",