diff --git a/_service b/_service
index 984eb5c..95d8344 100644
--- a/_service
+++ b/_service
@@ -1,12 +1,12 @@
 <services>
   <service name="obs_scm" mode="disabled">
    <param name="changesgenerate">enable</param>
-   <param name="versionformat">5.15.14+kde@TAG_OFFSET@</param>
+   <param name="versionformat">5.15.15+kde@TAG_OFFSET@</param>
    <param name="url">https://invent.kde.org/qt/qt/qt3d.git</param>
    <param name="scm">git</param>
    <param name="filename">qt3d-everywhere-src</param>
    <param name="revision">kde/5.15</param>
-   <param name="parent-tag">v5.15.14-lts-lgpl</param>
+   <param name="parent-tag">v5.15.15-lts-lgpl</param>
    <param name="changesgenerate">enable</param>
   </service>
   <service name="set_version" mode="disabled"/>
diff --git a/_servicedata b/_servicedata
index 0273f01..2e6f158 100644
--- a/_servicedata
+++ b/_servicedata
@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">https://invent.kde.org/qt/qt/qt3d.git</param>
-              <param name="changesrevision">9bf4d03e2515f7c454647d54542330b6e90f8191</param></service></servicedata>
\ No newline at end of file
+              <param name="changesrevision">84b2eae328fdff5d633af0a9563272c93f6ec074</param></service></servicedata>
\ No newline at end of file
diff --git a/libqt5-qt3d.changes b/libqt5-qt3d.changes
index fa51502..5749b27 100644
--- a/libqt5-qt3d.changes
+++ b/libqt5-qt3d.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Wed Sep  4 20:01:50 UTC 2024 - Fabian Vogt <fabian@ritter-vogt.de>
+
+- Update to version 5.15.15+kde0, rebased upstream:
+  * Fix UB (signed char passed to <cctype> function)
+  * Bump version to 5.15.15
+  * Blacklist tst_GraphicsHelperGL4::bindFrameBufferAttachment for openSUSE
+
 -------------------------------------------------------------------
 Mon Jul 22 12:07:08 UTC 2024 - Christophe Marin <christophe@krop.fr>
 
diff --git a/libqt5-qt3d.spec b/libqt5-qt3d.spec
index 6f0d913..195b9fb 100644
--- a/libqt5-qt3d.spec
+++ b/libqt5-qt3d.spec
@@ -21,11 +21,11 @@
 %define qt5_snapshot 1
 %define libname libQt53DCore5
 %define base_name libqt5
-%define real_version 5.15.14
-%define so_version 5.15.14
+%define real_version 5.15.15
+%define so_version 5.15.15
 %define tar_version qt3d-everywhere-src-%{version}
 Name:           libqt5-qt3d
-Version:        5.15.14+kde0
+Version:        5.15.15+kde0
 Release:        0
 Summary:        Qt 5 3D Addon
 # Legal: some files are GPL-3.0-only WITH Qt-GPL-exception-1.0
diff --git a/qt3d-everywhere-src-5.15.14+kde0.obscpio b/qt3d-everywhere-src-5.15.14+kde0.obscpio
deleted file mode 100644
index 324a071..0000000
--- a/qt3d-everywhere-src-5.15.14+kde0.obscpio
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e35b3c08c4b368c7c61aa66ef914991bc62f977a336eb3880a2d158a4cae092d
-size 239275534
diff --git a/qt3d-everywhere-src-5.15.15+kde0.obscpio b/qt3d-everywhere-src-5.15.15+kde0.obscpio
new file mode 100644
index 0000000..d8f78c5
--- /dev/null
+++ b/qt3d-everywhere-src-5.15.15+kde0.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f0b2c82e2473c785e5d9bf34a8d1888a2dd8b86e64224879630161450bb1044
+size 239275534
diff --git a/qt3d-everywhere-src.obsinfo b/qt3d-everywhere-src.obsinfo
index 8bfbb86..4f50844 100644
--- a/qt3d-everywhere-src.obsinfo
+++ b/qt3d-everywhere-src.obsinfo
@@ -1,4 +1,4 @@
 name: qt3d-everywhere-src
-version: 5.15.14+kde0
-mtime: 1715145273
-commit: 9bf4d03e2515f7c454647d54542330b6e90f8191
+version: 5.15.15+kde0
+mtime: 1721730335
+commit: 84b2eae328fdff5d633af0a9563272c93f6ec074