--- a/toolkit/content/license.html
+++ b/toolkit/content/license.html
@@ -150,16 +150,17 @@
       <li><a href="about:license#nom">nom License</a></li>
       <li><a href="about:license#nrappkit">nrappkit License</a></li>
       <li><a href="about:license#openaes">OpenAES License</a></li>
       <li><a href="about:license#openvision">OpenVision License</a></li>
 #if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
       <li><a href="about:license#openvr">OpenVR License</a></li>
 #endif
       <li><a href="about:license#ordered-float">ordered-float License</a></li>
+      <li><a href="about:license#owning_ref">owning_ref License</a></li>
       <li><a href="about:license#pbkdf2-sha256">pbkdf2_sha256 License</a></li>
       <li><a href="about:license#pdfium">PDFium License</a></li>
 #ifdef MOZ_WEBSPEECH_POCKETSPHINX
       <li><a href="about:license#pocketsphinx">Pocketsphinx License</a></li>
 #endif
       <li><a href="about:license#praton">praton License</a></li>
       <li><a href="about:license#praton1">praton and inet_ntop License</a></li>
       <li><a href="about:license#qcms">qcms License</a></li>
@@ -5605,16 +5606,48 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE F
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 </pre>
 
 
     <hr>
 
+    <h1><a id="owning_ref"></a>owning_ref License</h1>
+
+    <p>This license applies to files in the directory
+    <code>third_party/rust/owning_ref</code>.</p>
+
+<pre>
+The MIT License (MIT)
+
+Copyright (c) 2015 Marvin Löbel
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+</pre>
+
+
+    <hr>
+
     <h1><a id="pbkdf2-sha256"></a>pbkdf2_sha256 License</h1>
 
     <p>This license applies to the code
     <code>mozglue/android/pbkdf2_sha256.c</code> and
     <code>mozglue/android/pbkdf2_sha256.h</code>.
     </p>
 
 <pre>