diff --git a/lib/loofah/html5/whitelist.rb b/lib/loofah/html5/whitelist.rb
index 4a3fc5af..6a3acb8c 100644
--- a/lib/loofah/html5/whitelist.rb
+++ b/lib/loofah/html5/whitelist.rb
@@ -729,6 +729,7 @@ module WhiteList
                                        "http",
                                        "https",
                                        "irc",
+                                       "line",
                                        "mailto",
                                        "news",
                                        "nntp",
@@ -737,6 +738,7 @@ module WhiteList
                                        "sftp",
                                        "ssh",
                                        "tag",
+                                       "tel",
                                        "telnet",
                                        "urn",
                                        "webcal",