diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index ceef61e63..1d2792af7 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -46,6 +46,14 @@
     <listitem>
       <itemizedlist>
       <para>2021-02-20</para>
+        <listitem>
+          <para>[bdubbs] - Update to meson-0.57.1. Fixes
+          <ulink url="&lfs-ticket-root;4821">#4821</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to Python-3.9.2. Fixes
+          <ulink url="&lfs-ticket-root;4820">#4820</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[pierre] - Fix grub to prevent generation of a huge binary
           blob for lzma compression. Reported on the lfs-support mailing
diff --git a/packages.ent b/packages.ent
index 838444eed..b70576541 100644
--- a/packages.ent
+++ b/packages.ent
@@ -472,10 +472,10 @@
 <!ENTITY man-pages-fin-du "4.7 MB">
 <!ENTITY man-pages-fin-sbu "less than 0.1 SBU">
 
-<!ENTITY meson-version "0.57.0">
-<!ENTITY meson-size "1,801 KB">
+<!ENTITY meson-version "0.57.1">
+<!ENTITY meson-size "1,806 KB">
 <!ENTITY meson-url "&github;/mesonbuild/meson/releases/download/&meson-version;/meson-&meson-version;.tar.gz">
-<!ENTITY meson-md5 "6dab36fcd89067897d2afa857a494752">
+<!ENTITY meson-md5 "fbd744560351491892478a36a1586815">
 <!ENTITY meson-home "https://mesonbuild.com">
 <!ENTITY meson-fin-du "37 MB">
 <!ENTITY meson-fin-sbu "less than 0.1 SBU">
@@ -573,19 +573,19 @@
 <!-- If python minor version changes, updates in python and 
      meson pages will be needed: python3.6 and python3.6m -->
 
-<!ENTITY python-version "3.9.1">
+<!ENTITY python-version "3.9.2">
 <!ENTITY python-minor "3.9">
-<!ENTITY python-size "18,455 KB">
+<!ENTITY python-size "18,477 KB">
 <!ENTITY python-url "https://www.python.org/ftp/python/&python-version;/Python-&python-version;.tar.xz">
-<!ENTITY python-md5 "61981498e75ac8f00adcb908281fadb6">
+<!ENTITY python-md5 "f0dc9000312abeb16de4eccce9a870ab">
 <!ENTITY python-home "https://www.python.org/">
-<!ENTITY python-tmp-du "373 MB">
-<!ENTITY python-tmp-sbu "1.2 SBU">
-<!ENTITY python-fin-du "293 MB">
-<!ENTITY python-fin-sbu "3.1 SBU">
+<!ENTITY python-tmp-du "374 MB">
+<!ENTITY python-tmp-sbu "0.9 SBU">
+<!ENTITY python-fin-du "294 MB">
+<!ENTITY python-fin-sbu "2.8 SBU">
 <!ENTITY python-docs-url "https://www.python.org/ftp/python/doc/&python-version;/python-&python-version;-docs-html.tar.bz2">
-<!ENTITY python-docs-md5 "89fd591994e303186c349014b8f9e0fd">
-<!ENTITY python-docs-size "6,648 KB">
+<!ENTITY python-docs-md5 "719cd64a4c5768b646b716df20229400">
+<!ENTITY python-docs-size "6,659 KB">
 
 <!ENTITY readline-version "8.1">
 <!ENTITY readline-size "2,924 KB">