diff --git a/general.ent b/general.ent
index 595357c924..61775ffd3c 100644
--- a/general.ent
+++ b/general.ent
@@ -1,12 +1,12 @@
 <!-- $LastChangedBy$ $Date$ -->
 
-<!ENTITY day          "13">                   <!-- Always 2 digits -->
+<!ENTITY day          "14">                   <!-- Always 2 digits -->
 <!ENTITY month        "04">                   <!-- Always 2 digits -->
 <!ENTITY year         "2016">
 <!ENTITY copyrightdate "2001-&year;">
 <!ENTITY copyholder   "The BLFS Development Team">
 <!ENTITY version      "&year;-&month;-&day;">
-<!ENTITY releasedate  "April 13th &year;">
+<!ENTITY releasedate  "April 14th &year;">
 <!ENTITY pubdate      "&year;-&month;-&day;"> <!-- metadata req. by TLDP -->
 <!ENTITY blfs-version "svn">                  <!-- svn|[release #] -->
 <!ENTITY lfs-version  "development">          <!-- x.y|development] -->
diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index cd7f091a47..715050cab9 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -44,6 +44,16 @@
 
 -->
 
+    <listitem>
+      <para>April 14th, 2016</para>
+      <itemizedlist>
+        <listitem>
+          <para>[igor] - Update to thunderbird-45.0. Fixes
+          <ulink url="&blfs-ticket-root;7727">#7727</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>April 13th, 2016</para>
       <itemizedlist>
diff --git a/packages.ent b/packages.ent
index 5dae35920b..9077538340 100644
--- a/packages.ent
+++ b/packages.ent
@@ -693,7 +693,7 @@
 <!ENTITY pidgin-version               "2.10.12">
 <!ENTITY rox-filer-version            "2.11">
 <!ENTITY rxvt-unicode-version         "9.22">
-<!ENTITY thunderbird-version          "38.7.2">
+<!ENTITY thunderbird-version          "45.0">
 <!ENTITY tigervnc-version             "1.6.0">
 <!ENTITY transmission-version         "2.92">
 <!ENTITY xarchiver-version            "0.5.4">
diff --git a/xsoft/other/thunderbird.xml b/xsoft/other/thunderbird.xml
index c4c9232612..c5d0e7fdde 100644
--- a/xsoft/other/thunderbird.xml
+++ b/xsoft/other/thunderbird.xml
@@ -4,11 +4,11 @@
   <!ENTITY % general-entities SYSTEM "../../general.ent">
   %general-entities;
 
-  <!ENTITY thunderbird-download-http "&mozilla-http;/thunderbird/releases/&thunderbird-version;/source/thunderbird-&thunderbird-version;.source.tar.bz2">
-<!--  <!ENTITY thunderbird-download-ftp "&mozilla-ftp;/thunderbird/releases/&thunderbird-version;/source/thunderbird-&thunderbird-version;.source.tar.bz2">-->
+  <!ENTITY thunderbird-download-http "&mozilla-http;/thunderbird/releases/&thunderbird-version;/source/thunderbird-&thunderbird-version;.source.tar.xz">
+<!--  <!ENTITY thunderbird-download-ftp "&mozilla-ftp;/thunderbird/releases/&thunderbird-version;/source/thunderbird-&thunderbird-version;.source.tar.xz">-->
   <!ENTITY thunderbird-download-ftp " ">
-  <!ENTITY thunderbird-md5sum            "e16b86d40aa71fc5b331839f59225223">
-  <!ENTITY thunderbird-size              "195 MB">
+  <!ENTITY thunderbird-md5sum            "7f0071afbcd2be0933f34d12122ca162">
+  <!ENTITY thunderbird-size              "191 MB">
   <!ENTITY thunderbird-buildsize         "3.8 GB (73 MB installed)">
   <!ENTITY thunderbird-time              "9.3 SBU (with -j4, estimated 30 SBU with -j1)">
 ]>