diff --git a/.github/SECURITY.md b/.github/SECURITY.md
index 756d4e39..e9b3458a 100644
--- a/.github/SECURITY.md
+++ b/.github/SECURITY.md
@@ -4,7 +4,7 @@
 
 We provide security updates to the development branch and the stable
 branches. Security patches for old releases are available on the
-[project website](https://tukaani.org/xz).
+[project website](https://xz.tukaani.org/xz-utils/).
 
 ## Reporting a Vulnerability
 
diff --git a/COPYING b/COPYING
index e54eeacf..4990c5f5 100644
--- a/COPYING
+++ b/COPYING
@@ -58,7 +58,8 @@ XZ Utils Licensing
     naturally it is not legally required. Here is an example of a good
     notice to put into "about box" or into documentation:
 
-        This software includes code from XZ Utils <https://tukaani.org/xz/>.
+        This software includes code from XZ Utils
+        <https://xz.tukaani.org/xz-utils/>.
 
     The following license texts are included in the following files:
       - COPYING.LGPLv2.1: GNU Lesser General Public License version 2.1
diff --git a/README b/README
index 9e76301b..9a29c1b2 100644
--- a/README
+++ b/README
@@ -287,11 +287,11 @@ XZ Utils
     XZ Embedded is a limited implementation written for use in the Linux
     kernel, but it is also suitable for other embedded use.
 
-        https://tukaani.org/xz/embedded.html
+        https://xz.tukaani.org/xz-embedded/
 
     XZ for Java is a complete implementation written in pure Java.
 
-        https://tukaani.org/xz/java.html
+        https://xz.tukaani.org/xz-for-java/
 
 
 6. Contact information
diff --git a/doc/faq.txt b/doc/faq.txt
index 3f9068b4..a49e7e74 100644
--- a/doc/faq.txt
+++ b/doc/faq.txt
@@ -240,5 +240,5 @@ A:  Give --enable-small to the configure script. Use also appropriate
     If the result is still too big, take a look at XZ Embedded. It is
     a separate project, which provides a limited but significantly
     smaller XZ decoder implementation than XZ Utils. You can find it
-    at <https://tukaani.org/xz/embedded.html>.
+    at <https://xz.tukaani.org/xz-embedded/>.
 
diff --git a/doc/lzma-file-format.txt b/doc/lzma-file-format.txt
index 4865defd..1dd365eb 100644
--- a/doc/lzma-file-format.txt
+++ b/doc/lzma-file-format.txt
@@ -40,11 +40,11 @@ The .lzma File Format
 
 0.2. Changes
 
-        Last modified: 2022-07-13 21:00+0300
+        Last modified: 2024-01-16 18:00+0800
 
-        Compared to the previous version (2011-04-12 11:55+0300)
-        the section 1.1.3 was modified to allow End of Payload Marker
-        with a known Uncompressed Size.
+        Compared to the previous version (2022-07-13 21:00+0300)
+        the section 2 was modified to change links from http to
+        https and to update XZ links.
 
 
 1. File Format
@@ -157,17 +157,17 @@ The .lzma File Format
 2. References
 
         LZMA SDK - The original LZMA implementation
-        http://7-zip.org/sdk.html
+        https://7-zip.org/sdk.html
 
         7-Zip
-        http://7-zip.org/
+        https://7-zip.org/
 
         LZMA Utils - LZMA adapted to POSIX-like systems
-        http://tukaani.org/lzma/
+        https://tukaani.org/lzma/
 
         XZ Utils - The next generation of LZMA Utils
-        http://tukaani.org/xz/
+        https://xz.tukaani.org/xz-utils/
 
         The .xz file format - The successor of the .lzma format
-        http://tukaani.org/xz/xz-file-format.txt
+        https://xz.tukaani.org/format/xz-file-format.txt
 
diff --git a/windows/README-Windows.txt b/windows/README-Windows.txt
index 87e8f464..9d277773 100644
--- a/windows/README-Windows.txt
+++ b/windows/README-Windows.txt
@@ -7,7 +7,8 @@ Introduction
 
     This package includes command line tools (xz.exe and a few others)
     and the liblzma compression library from XZ Utils. You can find the
-    latest version and full source code from <https://tukaani.org/xz/>.
+    latest version and full source code from
+    <https://xz.tukaani.org/xz-utils/>.
 
     The parts of the XZ Utils source code, that are relevant to this
     binary package, are in the public domain. XZ Utils have been built