diff --git a/_service b/_service
index 4f5559f..5627e4c 100644
--- a/_service
+++ b/_service
@@ -1,16 +1,16 @@
 <services>
   <service mode="manual" name="obs_scm">
     <param name="url">https://github.com/starwing/luautf8</param>
-    <param name="versionformat">@PARENT_TAG@</param>
+    <param name="versionformat">@PARENT_TAG@+git@TAG_OFFSET@</param>
     <param name="scm">git</param>
-    <param name="revision">751c782864f4c636760339e16f218d6dee292d5d</param>
+    <param name="revision">bdd3d7fb6ef22334fde028ba792d3a16309a4de8</param>
     <param name="versionrewrite-pattern">(\d+.\d+.\d+)</param>
     <param name="versionrewrite-replacement">\1</param>
   </service>
   <service mode="manual" name="tar" />
   <service mode="manual" name="recompress">
     <param name="file">*.tar</param>
-    <param name="compression">gz</param>
+    <param name="compression">zst</param>
   </service>
   <service mode="manual" name="set_version"/>
 </services>
diff --git a/lua-luautf8.changes b/lua-luautf8.changes
index f8c6d19..f7b00fc 100644
--- a/lua-luautf8.changes
+++ b/lua-luautf8.changes
@@ -1,7 +1,9 @@
 -------------------------------------------------------------------
-Fri Mar 29 20:28:47 UTC 2024 - Gordon Leung <pirateclip@protonmail.com>
+Mon Apr  1 02:00:36 UTC 2024 - Gordon Leung <pirateclip@protonmail.com>
 
-- Switch from xz compression to gzip
+- Update to 0.1.5+git6
+  * Update to Unicode 15.1
+- Switch from xz compression to zstd
 
 -------------------------------------------------------------------
 Wed Jan 25 11:52:07 UTC 2023 - Michal Suchanek <msuchanek@suse.de>
diff --git a/lua-luautf8.spec b/lua-luautf8.spec
index 3c51b47..4cb2479 100644
--- a/lua-luautf8.spec
+++ b/lua-luautf8.spec
@@ -28,16 +28,17 @@
   %define luarock_arch %{_arch}
  %endif
 %endif
-Version:        0.1.5
+Version:        0.1.5+git6
 Release:        0
 Summary:        A utf-8 support module for Lua and LuaJIT
 License:        MIT
 Group:          Development/Languages/Other
 URL:            https://github.com/starwing/luautf8
-Source:         %{mod_name}-%{version}.tar.gz
+Source:         %{mod_name}-%{version}.tar.zst
 BuildRequires:  %{flavor}-devel
 BuildRequires:  %{flavor}-luarocks
 BuildRequires:  lua-macros
+BuildRequires:  zstd
 Requires:       %{flavor}
 %lua_provides
 %if "%{flavor}" == ""
diff --git a/luautf8-0.1.5+git6.tar.zst b/luautf8-0.1.5+git6.tar.zst
new file mode 100644
index 0000000..8c3d20d
--- /dev/null
+++ b/luautf8-0.1.5+git6.tar.zst
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c20ea6902d71b5ec0136877868648a827b01b5c5fe13cf28bca32c2151afef3
+size 430351
diff --git a/luautf8-0.1.5.tar.gz b/luautf8-0.1.5.tar.gz
deleted file mode 100644
index 25816bf..0000000
--- a/luautf8-0.1.5.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2bcfa1767dc3525b9bf7c03604e4a26a78eead63db783305cf52858ca7fb6922
-size 47445