diff --git a/conda.recipe/meta.yaml b/conda.recipe/meta.yaml
index 32cfb73..f4dfd9e 100644
--- a/conda.recipe/meta.yaml
+++ b/conda.recipe/meta.yaml
@@ -24,6 +24,7 @@ requirements:
     - ipython_genutils
     - jupyter_contrib_core >=0.3
     - jupyter_core
+    - jupyter_highlight_selected_word >=0.0.5
     - jupyter_latex_envs >=1.3.4
     - jupyter_nbextensions_configurator
     - nbconvert
diff --git a/setup.py b/setup.py
index 1e62fc0..8cd7b71 100755
--- a/setup.py
+++ b/setup.py
@@ -59,6 +59,7 @@ encounter any problems.
             'ipython_genutils',
             'jupyter_contrib_core >=0.3',
             'jupyter_core',
+            'jupyter_highlight_selected_word >=0.0.5',
             'jupyter_latex_envs >=1.3.4',
             'jupyter_nbextensions_configurator',
             'nbconvert',
diff --git a/src/jupyter_contrib_nbextensions/install.py b/src/jupyter_contrib_nbextensions/install.py
index 812aec3..20a6d10 100644
--- a/src/jupyter_contrib_nbextensions/install.py
+++ b/src/jupyter_contrib_nbextensions/install.py
@@ -8,6 +8,7 @@ from __future__ import (
 import errno
 import os
 
+import jupyter_highlight_selected_word
 import latex_envs
 import psutil
 from jupyter_contrib_core.notebook_compat import nbextensions
@@ -83,7 +84,12 @@ def toggle_install_files(install, user=False, sys_prefix=False, logger=None,
                 'Installing' if install else 'Uninstalling',
                 'to' if install else 'from',
                 'jupyter data directory'))
-    for mod in [jupyter_contrib_nbextensions, latex_envs]:
+    component_nbext_packages = [
+        jupyter_contrib_nbextensions,
+        jupyter_highlight_selected_word,
+        latex_envs,
+    ]
+    for mod in component_nbext_packages:
         if install:
             nbextensions.install_nbextension_python(
                 mod.__name__, overwrite=overwrite, symlink=symlink, **kwargs)
diff --git a/tests/test_application.py b/tests/test_application.py
index c86d34a..155e11a 100644
--- a/tests/test_application.py
+++ b/tests/test_application.py
@@ -88,10 +88,11 @@ class AppTest(TestCase):
                     'Expected no files created in {} but found:\n\t{}'.format(
                         tree_dir, '\n\t'.join(in_this_tree)))
             installed_files.extend(in_this_tree)
-        # check latex_envs got installed
+        # check that dependency-provided nbexts got installed
         if 'data' in dirs:
             expected_require_paths = [
                 p.replace('/', os.path.sep) + '.js' for p in [
+                    'highlight_selected_word/main',
                     'latex_envs/latex_envs',
                 ]]
             for req_part in expected_require_paths:
diff --git a/tox.ini b/tox.ini
index 44bd449..015d167 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,6 +25,7 @@ passenv = *
 usedevelop = false
 deps =
     coverage>=4.2
+    jupyter_highlight_selected_word>=0.0.5
     jupyter_latex_envs>=1.3.4
     mock
     nose