diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index 6d25fd573b..3fd56abdc8 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -44,6 +44,10 @@
    <listitem>
       <para>March 28th, 2018</para>
       <itemizedlist>
+        <listitem>
+          <para>[timtas] - Update to thunderbird-52.7.0. Fixes
+          <ulink url="&blfs-ticket-root;10574">#10574</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[timtas] - Update to dhcpcd-7.0.2. Fixes
           <ulink url="&blfs-ticket-root;10583">#10583</ulink>.</para>
diff --git a/packages.ent b/packages.ent
index 8d9085e6ed..bbb97431a1 100644
--- a/packages.ent
+++ b/packages.ent
@@ -753,7 +753,7 @@ to avoid building libxml2 twice, which is slow with all deps -->
 <!ENTITY pidgin-version               "2.12.0">
 <!ENTITY rox-filer-version            "2.11">
 <!ENTITY rxvt-unicode-version         "9.22">
-<!ENTITY thunderbird-version          "52.6.0">
+<!ENTITY thunderbird-version          "52.7.0">
 <!ENTITY tigervnc-version             "1.8.0">
 <!ENTITY transmission-version         "2.93">
 <!ENTITY xarchiver-version            "0.5.4">
diff --git a/xsoft/other/thunderbird.xml b/xsoft/other/thunderbird.xml
index 05556efbff..b1ab5ff21c 100644
--- a/xsoft/other/thunderbird.xml
+++ b/xsoft/other/thunderbird.xml
@@ -6,9 +6,9 @@
 
   <!ENTITY thunderbird-download-http "&mozilla-http;/thunderbird/releases/&thunderbird-version;/source/thunderbird-&thunderbird-version;.source.tar.xz">
   <!ENTITY thunderbird-download-ftp  " ">
-  <!ENTITY thunderbird-md5sum        "ce4496f157050a711745c44acdd04385">
+  <!ENTITY thunderbird-md5sum        "9c44ccd16cfcca4691ab0ce8aebb4236">
   <!ENTITY thunderbird-size          "220 MB">
-  <!ENTITY thunderbird-buildsize     "4.5 GB (111 MB installed)">
+  <!ENTITY thunderbird-buildsize     "4.1 GB (96 MB installed)">
   <!ENTITY thunderbird-time          "16 SBU (with -j4, estimated 63 SBU with -j1)">
   <!-- Verified the time at -j1 on another system for posterity's sake. -->
 ]>