diff --git a/Parsedown.php b/Parsedown.php
index 702b041c1..6ef12d3bb 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -93,6 +93,14 @@ function setSafeLinksEnabled($safeLinksEnabled)
         'data:image/png;base64,',
         'data:image/gif;base64,',
         'data:image/jpeg;base64,',
+        'irc:',
+        'ircs:',
+        'git:',
+        'ssh:',
+        'ftp:',
+        'ftps:',
+        'news:',
+        'steam:',
     );
 
     #