diff --git a/README.rst b/README.rst
index 5bdbe3e..746af8f 100644
--- a/README.rst
+++ b/README.rst
@@ -110,7 +110,10 @@ This software is licensed under the `MIT license`_.
 
 .. _/etc/crypttab: https://manpages.debian.org/crypttab
 .. _/etc/fstab: https://manpages.debian.org/fstab
+.. _cryptdisks_start: https://manpages.debian.org/cryptdisks_start
+.. _cryptdisks_stop: https://manpages.debian.org/cryptdisks_stop
 .. _crypto-drive-manager: https://pypi.python.org/pypi/crypto-drive-manager
+.. _cryptsetup: https://manpages.debian.org/cryptsetup
 .. _debuntu-tools: https://pypi.python.org/pypi/debuntu-tools
 .. _GitHub: https://github.com/xolox/python-linux-utils
 .. _Linux: https://en.wikipedia.org/wiki/Linux
diff --git a/linux_utils/__init__.py b/linux_utils/__init__.py
index 331b464..ab987b9 100644
--- a/linux_utils/__init__.py
+++ b/linux_utils/__init__.py
@@ -1,7 +1,7 @@
 # linux-utils: Linux system administration tools for Python.
 #
 # Author: Peter Odding <peter@peterodding.com>
-# Last Change: June 22, 2017
+# Last Change: June 23, 2017
 # URL: https://linux-utils.readthedocs.io
 
 """Linux system administration tools for Python."""
@@ -16,7 +16,7 @@
 from humanfriendly import parse_size
 from six import string_types
 
-__version__ = '0.4'
+__version__ = '0.4.1'
 """Semi-standard module versioning."""