diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index 7f60fe0c80..7ac551818d 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -45,6 +45,10 @@
     <listitem>
       <para>November 15th, 2016</para>
       <itemizedlist>
+        <listitem>
+          <para>[ken] - Update to firefox-50.0. Fixes
+          <ulink url="&blfs-ticket-root;8533">#8533</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[bdubbs] - Update to mlt-6.4.0. Fixes
           <ulink url="&blfs-ticket-root;8526">#8526</ulink>.</para>
diff --git a/packages.ent b/packages.ent
index 26e93a0f71..bc2d377c35 100644
--- a/packages.ent
+++ b/packages.ent
@@ -688,7 +688,7 @@
 <!-- Chapter 43 -->
 <!ENTITY chromium-version             "54.0.2840.90">
 <!ENTITY seamonkey-version            "2.40">
-<!ENTITY firefox-version              "49.0.2">
+<!ENTITY firefox-version              "50.0">
 
 <!-- Chapter 44 -->
 <!ENTITY balsa-version                "2.5.2">
diff --git a/xsoft/graphweb/firefox.xml b/xsoft/graphweb/firefox.xml
index 4887dc6b50..fb5cb2f92d 100644
--- a/xsoft/graphweb/firefox.xml
+++ b/xsoft/graphweb/firefox.xml
@@ -6,10 +6,10 @@
 
   <!ENTITY firefox-download-http "&mozilla-http;/firefox/releases/&firefox-version;/source/firefox-&firefox-version;.source.tar.xz">
   <!ENTITY firefox-download-ftp " ">
-  <!ENTITY firefox-md5sum        "5afc916c83998aef07b1adae1db21cbc">
-  <!ENTITY firefox-size          "180 MB">
-  <!ENTITY firefox-buildsize     "4.4 GB (93 MB installed)">
-  <!ENTITY firefox-time          "16 SBU (with parallelism=4 on a recent intel i7, much longer on lesser CPUs)">
+  <!ENTITY firefox-md5sum        "743aeb5d71eb6a8f227aad954f8a663a">
+  <!ENTITY firefox-size          "187 MB">
+  <!ENTITY firefox-buildsize     "4.5 GB (95 MB installed)">
+  <!ENTITY firefox-time          "15 SBU (with parallelism=4 on a recent intel i7, much longer on lesser CPUs)">
 ]>
 
 <sect1 id="firefox" xreflabel="Firefox-&firefox-version;">
@@ -421,7 +421,7 @@ ln -sfv /usr/lib/firefox-&firefox-version;/browser/icons/mozicon128.png \
         <term><command>firefox</command></term>
         <listitem>
           <para>
-            is a <application>GTK+ 3</application> internet browser that uses the
+            is a <application>GTK+-3</application> internet browser that uses the
             Mozilla Gecko rendering engine.
           </para>
           <indexterm zone="firefox firefox-prog">