diff --git a/.travis.yml b/.travis.yml
index ff4662f7a..cd18e1f69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,7 +39,7 @@ matrix:
   - os: linux
     language: docs
     env: DOCS STYLE LINT
-    install: pip install sphinx sphinx_rtd_theme flake8 pep8-naming
+    install: pip install --upgrade sphinx sphinx_rtd_theme flake8 pep8-naming docutils
     script:
     - make -C docs html SPHINX_OPTIONS=-W
     - tools/check-style.sh
diff --git a/docs/advanced/cast/overview.rst b/docs/advanced/cast/overview.rst
index 84085725c..ab37b90be 100644
--- a/docs/advanced/cast/overview.rst
+++ b/docs/advanced/cast/overview.rst
@@ -116,6 +116,8 @@ as arguments and return values, refer to the section on binding :ref:`classes`.
 +------------------------------------+---------------------------+-------------------------------+
 | ``std::vector<T>``                 | STL dynamic array         | :file:`pybind11/stl.h`        |
 +------------------------------------+---------------------------+-------------------------------+
+| ``std::valarray<T>``               | STL value array           | :file:`pybind11/stl.h`        |
++------------------------------------+---------------------------+-------------------------------+
 | ``std::list<T>``                   | STL linked list           | :file:`pybind11/stl.h`        |
 +------------------------------------+---------------------------+-------------------------------+
 | ``std::map<T1, T2>``               | STL ordered map           | :file:`pybind11/stl.h`        |