diff --git a/_service b/_service
index 771c044..18a5082 100644
--- a/_service
+++ b/_service
@@ -1,12 +1,12 @@
 <services>
   <service name="obs_scm" mode="disabled">
    <param name="changesgenerate">enable</param>
-   <param name="versionformat">5.15.11+kde@TAG_OFFSET@</param>
+   <param name="versionformat">5.15.12+kde@TAG_OFFSET@</param>
    <param name="url">https://invent.kde.org/qt/qt/qtscxml.git</param>
    <param name="scm">git</param>
    <param name="filename">qtscxml-everywhere-src</param>
    <param name="revision">kde/5.15</param>
-   <param name="parent-tag">v5.15.11-lts-lgpl</param>
+   <param name="parent-tag">v5.15.12-lts-lgpl</param>
    <param name="changesgenerate">enable</param>
   </service>
   <service name="set_version" mode="disabled"/>
diff --git a/_servicedata b/_servicedata
index befd6c7..c4ccb08 100644
--- a/_servicedata
+++ b/_servicedata
@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">https://invent.kde.org/qt/qt/qtscxml.git</param>
-              <param name="changesrevision">e8727aabe55526956295407d27317ec15e12b283</param></service></servicedata>
\ No newline at end of file
+              <param name="changesrevision">3f56c6b4bd1e3883581340243b4a7289807fffc9</param></service></servicedata>
\ No newline at end of file
diff --git a/libqt5-qtscxml.changes b/libqt5-qtscxml.changes
index 1f7a3f0..4a68584 100644
--- a/libqt5-qtscxml.changes
+++ b/libqt5-qtscxml.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Dec 29 13:31:08 UTC 2023 - Fabian Vogt <fabian@ritter-vogt.de>
+
+- Update to version 5.15.12+kde0, rebased upstream:
+  * Fix history state index handling
+  * Bump version to 5.15.12
+
 -------------------------------------------------------------------
 Fri Oct  6 06:42:34 UTC 2023 - Fabian Vogt <fabian@ritter-vogt.de>
 
diff --git a/libqt5-qtscxml.spec b/libqt5-qtscxml.spec
index d47de23..e6c5a29 100644
--- a/libqt5-qtscxml.spec
+++ b/libqt5-qtscxml.spec
@@ -22,11 +22,11 @@
 %define qt5_snapshot 1
 %define libname libQt5Scxml5
 %define base_name libqt5
-%define real_version 5.15.11
-%define so_version 5.15.11
+%define real_version 5.15.12
+%define so_version 5.15.12
 %define tar_version qtscxml-everywhere-src-%{version}
 Name:           libqt5-qtscxml
-Version:        5.15.11+kde0
+Version:        5.15.12+kde0
 Release:        0
 Summary:        Qt 5 State Chart XML Library
 License:        LGPL-3.0-only OR (GPL-2.0-only OR GPL-3.0-or-later)
diff --git a/qtscxml-everywhere-src-5.15.11+kde0.obscpio b/qtscxml-everywhere-src-5.15.11+kde0.obscpio
deleted file mode 100644
index d2fb11c..0000000
--- a/qtscxml-everywhere-src-5.15.11+kde0.obscpio
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:078a034b7fe220a82c38292fbd45e52b46ea099c12287db17d8d8517c3bcb929
-size 2491916
diff --git a/qtscxml-everywhere-src-5.15.12+kde0.obscpio b/qtscxml-everywhere-src-5.15.12+kde0.obscpio
new file mode 100644
index 0000000..0d1f335
--- /dev/null
+++ b/qtscxml-everywhere-src-5.15.12+kde0.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:120d401e2e50d43a0c9394cc435692b498814fbc96d3281f326454348402c60a
+size 2494476
diff --git a/qtscxml-everywhere-src.obsinfo b/qtscxml-everywhere-src.obsinfo
index 128578e..b16c967 100644
--- a/qtscxml-everywhere-src.obsinfo
+++ b/qtscxml-everywhere-src.obsinfo
@@ -1,4 +1,4 @@
 name: qtscxml-everywhere-src
-version: 5.15.11+kde0
-mtime: 1686319752
-commit: e8727aabe55526956295407d27317ec15e12b283
+version: 5.15.12+kde0
+mtime: 1697029305
+commit: 3f56c6b4bd1e3883581340243b4a7289807fffc9