diff --git a/HISTORY.rst b/HISTORY.rst
index ac8ea85..4d9ec10 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -17,7 +17,7 @@ History
 * Support for non-HTML files in `templates/` (or whatever you set
   `templates_dir` to be).
 
-See http://complexity.readthedocs.org/en/latest/advanced_usage.html#config-using-complexity-yml
+See https://complexity.readthedocs.io/en/latest/advanced_usage.html#config-using-complexity-yml
 for more info.
 
 0.8.0 (2013-08-10)
@@ -34,7 +34,7 @@ for more info.
   - `assets_dir`
   - `context_dir`
 
-See http://complexity.readthedocs.org/en/latest/advanced_usage.html#config-using-complexity-json
+See https://complexity.readthedocs.io/en/latest/advanced_usage.html#config-using-complexity-json
 for more info.
 
 0.7 (2013-08-05)
diff --git a/README.rst b/README.rst
index 901145c..8200137 100644
--- a/README.rst
+++ b/README.rst
@@ -16,7 +16,7 @@ A refreshingly simple static site generator, for those who like to work in HTML.
 Documentation
 -------------
 
-The full documentation is at http://complexity.rtfd.org.
+The full documentation is at https://complexity.readthedocs.io.
 
 Quickstart
 ----------
@@ -42,7 +42,7 @@ Features
 * Can optionally be used as a library instead of from the command line. See
   `Using Complexity as a Library`_ for details.
 
-.. _`Using Complexity as a Library`: http://complexity.readthedocs.org/en/latest/advanced_usage.html#using-complexity-as-a-library
+.. _`Using Complexity as a Library`: https://complexity.readthedocs.io/en/latest/advanced_usage.html#using-complexity-as-a-library
 
 Best Used With
 --------------
diff --git a/docs/tutorial.rst b/docs/tutorial.rst
index f756710..d28c917 100644
--- a/docs/tutorial.rst
+++ b/docs/tutorial.rst
@@ -12,7 +12,7 @@ This quick tutorial will show you how to run this generator on your own using th
 most basic structure possible. Just type the given instructions into your terminal.
 
 If you have any specific questions you may find help in the documentation: 
-http://complexity.readthedocs.org/en/latest/
+https://complexity.readthedocs.io/en/latest/
 
 Or on the Github page: https://github.com/audreyr/complexity