diff --git a/index.html b/index.html
index fdb1026..2107a41 100644
--- a/index.html
+++ b/index.html
@@ -20,11 +20,11 @@
 
     <section class="slide" id="cover">
         <h2>Shower Presentation Engine</h2>
-        <p>Brought to you by <a href="http://pepelsbey.net">Vadim Makeev</a></p>
+        <p>Brought to you by <a href="https://pepelsbey.net">Vadim Makeev</a></p>
         <figure>
             <img class="cover" src="pictures/cover.jpg" alt="Hands on the orange typewriter in a park">
             <figcaption class="copyright right white">
-                <a href="http://fiftyfootshadows.net/">© John Carey</a>
+                <a href="https://fiftyfootshadows.net">© John Carey</a>
             </figcaption>
         </figure>
         <style>
@@ -155,7 +155,7 @@
         <figure>
             <img class="cover" src="pictures/picture.jpg" alt="Orange typewriter on a wooden table close-up">
             <figcaption class="copyright right white">
-                <a href="http://fiftyfootshadows.net/">© John Carey</a>
+                <a href="https://fiftyfootshadows.net">© John Carey</a>
             </figcaption>
         </figure>
         <style>