diff --git a/contact.html b/contact.html
index 46909cc..43e2b06 100644
--- a/contact.html
+++ b/contact.html
@@ -34,9 +34,9 @@ As of the 20th of June, 2021 A.D.,
   </li>
 
  <li>The community 
-        <a href="http://tilde.town/">tilde.town</a>,
+        <a href="https://tilde.town/">tilde.town</a>,
         under the user-name 
-        <a href="http://tilde.town/~rogbeer/">rogbeer</a>
+        <a href="https://tilde.town/~rogbeer/">rogbeer</a>
       </li>
 
   <li><a href="https://www.are.na/tony-chen">Arena
@@ -69,7 +69,7 @@ As of the 20th of June, 2021 A.D.,
 	    
   
     
-  <li><a href="http://tonychen.bigcartel.com">
+  <li><a href="https://tonychen.bigcartel.com">
     An online store where I sell my artwork
     </a>
   </li>
@@ -86,7 +86,7 @@ As of the 20th of June, 2021 A.D.,
   <p><b>I'm no longer active at the following:</b>
     
     <ul>
-	   <li><a href="http://im-in.space/@rogbeer">Mastodon
+	   <li><a href="https://im-in.space/@rogbeer">Mastodon
     </a>
     </li>