diff --git a/third_party/html5lib.BUILD b/third_party/html5lib.BUILD
index 80b0d8e75e..7638bcf02b 100644
--- a/third_party/html5lib.BUILD
+++ b/third_party/html5lib.BUILD
@@ -16,7 +16,6 @@ py_library(
         "html5lib/_tokenizer.py",
         "html5lib/_trie/__init__.py",
         "html5lib/_trie/_base.py",
-        "html5lib/_trie/datrie.py",
         "html5lib/_trie/py.py",
         "html5lib/_utils.py",
         "html5lib/constants.py",
diff --git a/third_party/python.bzl b/third_party/python.bzl
index ea28e67ea1..a09afd1646 100644
--- a/third_party/python.bzl
+++ b/third_party/python.bzl
@@ -47,11 +47,11 @@ def tensorboard_python_workspace():
     http_archive(
         name = "org_html5lib",
         urls = [
-            "http://mirror.tensorflow.org/github.com/html5lib/html5lib-python/archive/1.0.1.tar.gz",
-            "https://github.com/html5lib/html5lib-python/archive/1.0.1.tar.gz",
+            "http://mirror.tensorflow.org/github.com/html5lib/html5lib-python/archive/1.1.tar.gz",
+            "https://github.com/html5lib/html5lib-python/archive/1.1.tar.gz",
         ],
-        sha256 = "fabbebd6a55d07842087f13849076eeed350aa8bb6c9ec840f6a6aba9388db06",
-        strip_prefix = "html5lib-python-1.0.1",
+        sha256 = "66e9e24a53c10c27abb6be8a3cf2cf55824c6ea1cef8570a633cb223ec46e894",
+        strip_prefix = "html5lib-python-1.1",
         build_file = str(Label("//third_party:html5lib.BUILD")),
     )