diff --git a/Booleans_Are_Easy/README.md b/Booleans_Are_Easy/README.md
index 21dbebe..d6ae5fa 100644
--- a/Booleans_Are_Easy/README.md
+++ b/Booleans_Are_Easy/README.md
@@ -23,5 +23,5 @@ Resources
 ---
 
 [railsconf]: https://www.railsconf.com/
-[current_slides]: https://rawgit.com/booch/presentations/master/Booleans_Are_Easy/slides.html
+[current_slides]: https://booch.github.io/presentations/Booleans_Are_Easy/slides.html
 [remark]: https://remarkjs.com/
diff --git a/Effective_Agile/README.md b/Effective_Agile/README.md
index eb47f2d..53eec2c 100644
--- a/Effective_Agile/README.md
+++ b/Effective_Agile/README.md
@@ -14,4 +14,4 @@ Resources
 ---
 
 [book]: https://github.com/boochtek/effective_agile
-[current_slides]: https://rawgit.com/booch/presentations/master/Effective_Agile/slides.html
+[current_slides]: https://booch.github.io/presentations/Effective_Agile/slides.html
diff --git a/Refactoring_Ruby/README.md b/Refactoring_Ruby/README.md
index fb666f9..51780b7 100644
--- a/Refactoring_Ruby/README.md
+++ b/Refactoring_Ruby/README.md
@@ -12,4 +12,4 @@ Resources
 
 ---
 
-[current_slides]: https://rawgit.com/booch/presentations/master/Refactoring_Ruby/slides.html
+[current_slides]: https://booch.github.io/presentations/Refactoring_Ruby/slides.html
diff --git a/Refactoring_Ruby/TODO.md b/Refactoring_Ruby/TODO.md
index cb251f8..4ae6c8a 100644
--- a/Refactoring_Ruby/TODO.md
+++ b/Refactoring_Ruby/TODO.md
@@ -2,7 +2,7 @@ TODO
 ====
 
 * Add a permanent URL from http://boochtek.com/refactoringruby2017
-    * https://rawgit.com/booch/presentations/master/Refactoring_Ruby/slides.html
+    * https://booch.github.io/presentations/Refactoring_Ruby/slides.html
     * Tag and use tag in place of `master`
 * Fix fonts to look better
 * Examples where included/extended are useful
diff --git a/Ruby_Hooks/README.md b/Ruby_Hooks/README.md
index e7e5a0d..91da3c1 100644
--- a/Ruby_Hooks/README.md
+++ b/Ruby_Hooks/README.md
@@ -12,4 +12,4 @@ Resources
 
 ---
 
-[current_slides]: https://rawgit.com/booch/presentations/master/Ruby_Hooks/slides.html
+[current_slides]: https://booch.github.io/presentations/Ruby_Hooks/slides.html
diff --git a/Smaller/README.md b/Smaller/README.md
index c7228e6..c444ae4 100644
--- a/Smaller/README.md
+++ b/Smaller/README.md
@@ -43,6 +43,6 @@ rake
 
 [aatc2017]: https://www.agilealliance.org/agile-alliance-technical-conference-2017/
 [aatc2017_buchek]: https://aatc2017.sched.com/event/9PB0/keep-it-short-craig-buchek
-[current_slides]: https://rawgit.com/booch/presentations/master/Smaller/slides.html
+[current_slides]: https://booch.github.io/presentations/Smaller/slides.html
 [remark]: https://remarkjs.com/
 [decktape]: https://github.com/astefanutti/decktape#readme
diff --git a/crystal/README.md b/crystal/README.md
index 109ad10..87c8420 100644
--- a/crystal/README.md
+++ b/crystal/README.md
@@ -3,7 +3,7 @@ Crystal
 
 Presentation on the Crystal programming Language, presented at the St. Louis Ruby User Group.
 
-* Slides: https://rawgit.com/booch/presentations/master/crystal/index.html
+* Slides: https://booch.github.io/presentations/crystal/index.html
 * Video: https://www.youtube.com/watch?v=8BdLttM26V0
 
 (This is one of my least well-presented talks. I was flustered by technical issues.)
diff --git a/how_the_web_works/README.md b/how_the_web_works/README.md
index 859af6a..b112857 100644
--- a/how_the_web_works/README.md
+++ b/how_the_web_works/README.md
@@ -11,7 +11,7 @@ Part 1
 * St. Louis UNIX Users Group (SLUUG)
 * March 11, 2015
 
-* [Slides](http://rawgit.com/booch/presentations/master/how_the_web_works/HTWW1.html)
+* [Slides](https://booch.github.io/presentations/how_the_web_works/HTWW1.html)
 * [Video]() - Coming Soon
 * [Source](HTWW1.md)
 
@@ -22,7 +22,7 @@ Part 2
 * St. Louis GNU/Linux Users Group (STLLUG)
 * March 19, 2015
 
-* [Slides](http://rawgit.com/booch/presentations/master/how_the_web_works/HTWW2.html)
+* [Slides](https://booch.github.io/presentations/how_the_web_works/HTWW2.html)
 * [Video]() - Coming Soon
 * [Source](HTWW2.md)
 
@@ -32,5 +32,5 @@ HTTP
 
 * St. Louis Ruby Users Group (STL Ruby)
 
-* [Slides](http://rawgit.com/booch/presentations/master/how_the_web_works/HTTP.html)
+* [Slides](https://booch.github.io/presentations/how_the_web_works/HTTP.html)
 * [Source](HTTP.md)
diff --git a/ruby_idioms/slides.html b/ruby_idioms/slides.html
index 022fd25..63003e0 100644
--- a/ruby_idioms/slides.html
+++ b/ruby_idioms/slides.html
@@ -84,7 +84,7 @@
 
 ### November 17, 2014 ###
 
-https://rawgit.com/booch/presentations/master/ruby_idioms/slides.html
+https://booch.github.io/presentations/ruby_idioms/slides.html
 
 ???