diff --git a/setup.py b/setup.py
index f88b526e1..d16b64499 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ install_requires = [
     "djangorestframework>=3.1.3",
     "Pillow>=2.6.1",
     "beautifulsoup4>=4.3.2",
-    "html5lib==0.999",
+    "html5lib>=0.999,<1",
     "Unidecode>=0.04.14",
     "Willow>=0.2.2,<0.3",
 ]
diff --git a/tox.ini b/tox.ini
index 098fdce37..1834daa42 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,7 +27,7 @@ deps =
     djangorestframework==3.1.3
     Pillow>=2.3.0
     beautifulsoup4>=4.3.2
-    html5lib==0.999
+    html5lib>=0.999,<1
     Unidecode>=0.04.14
     elasticsearch==1.1.0
     mock==1.0.1