diff --git a/qgis-3.12.2.tar.bz2 b/qgis-3.12.2.tar.bz2
deleted file mode 100644
index b1914c9..0000000
--- a/qgis-3.12.2.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:501f81715672205afd2c1a289ffc765aff96eaa8ecb49d079a58ef4d907467b8
-size 109719614
diff --git a/qgis-3.12.2.tar.bz2.sha256 b/qgis-3.12.2.tar.bz2.sha256
deleted file mode 100644
index dfacafe..0000000
--- a/qgis-3.12.2.tar.bz2.sha256
+++ /dev/null
@@ -1 +0,0 @@
-501f81715672205afd2c1a289ffc765aff96eaa8ecb49d079a58ef4d907467b8  qgis-3.12.2.tar.bz2
diff --git a/qgis-3.12.3.tar.bz2 b/qgis-3.12.3.tar.bz2
new file mode 100644
index 0000000..04b8e04
--- /dev/null
+++ b/qgis-3.12.3.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c2b53815f9b994e1662995d1f25f90628156b996758f5471bffb74ab29a95220
+size 110284377
diff --git a/qgis-3.12.3.tar.bz2.sha256 b/qgis-3.12.3.tar.bz2.sha256
new file mode 100644
index 0000000..086ce91
--- /dev/null
+++ b/qgis-3.12.3.tar.bz2.sha256
@@ -0,0 +1 @@
+c2b53815f9b994e1662995d1f25f90628156b996758f5471bffb74ab29a95220  qgis-3.12.3.tar.bz2
diff --git a/qgis-qt5.15.patch b/qgis-qt5.15.patch
new file mode 100644
index 0000000..d62b643
--- /dev/null
+++ b/qgis-qt5.15.patch
@@ -0,0 +1,63 @@
+From 31f586eca3b21ece95a55ba7b0a66526cb92ff12 Mon Sep 17 00:00:00 2001
+From: lbartoletti <loic.bartoletti@oslandia.com>
+Date: Sun, 31 May 2020 09:55:45 +0200
+Subject: [PATCH] Prepare for Qt5.15. Add QPainterPath include
+
+---
+ src/core/dxf/qgsdxfpaintengine.h    | 1 +
+ src/core/geometry/qgscurve.h        | 2 +-
+ src/core/symbology/qgssymbollayer.h | 1 +
+ src/gui/qgsmapoverviewcanvas.cpp    | 1 +
+ 4 files changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/src/core/dxf/qgsdxfpaintengine.h b/src/core/dxf/qgsdxfpaintengine.h
+index 49b2279c4471..103a1b910f97 100644
+--- a/src/core/dxf/qgsdxfpaintengine.h
++++ b/src/core/dxf/qgsdxfpaintengine.h
+@@ -22,6 +22,7 @@
+ 
+ #include "qgis_core.h"
+ #include <QPaintEngine>
++#include <QPainterPath>
+ #include "qgsabstractgeometry.h"
+ 
+ class QgsPoint;
+diff --git a/src/core/geometry/qgscurve.h b/src/core/geometry/qgscurve.h
+index 4c1dcf393fbd..a936655242ca 100644
+--- a/src/core/geometry/qgscurve.h
++++ b/src/core/geometry/qgscurve.h
+@@ -22,9 +22,9 @@
+ #include "qgis_sip.h"
+ #include "qgsabstractgeometry.h"
+ #include "qgsrectangle.h"
++#include <QPainterPath>
+ 
+ class QgsLineString;
+-class QPainterPath;
+ 
+ /**
+  * \ingroup core
+diff --git a/src/core/symbology/qgssymbollayer.h b/src/core/symbology/qgssymbollayer.h
+index cf140e4382d4..725a08062d70 100644
+--- a/src/core/symbology/qgssymbollayer.h
++++ b/src/core/symbology/qgssymbollayer.h
+@@ -26,6 +26,7 @@
+ #include <QSet>
+ #include <QDomDocument>
+ #include <QDomElement>
++#include <QPainterPath>
+ 
+ #include "qgssymbol.h"
+ #include "qgsfields.h"
+diff --git a/src/gui/qgsmapoverviewcanvas.cpp b/src/gui/qgsmapoverviewcanvas.cpp
+index 66f063c5cb2e..e72c6570d8cd 100644
+--- a/src/gui/qgsmapoverviewcanvas.cpp
++++ b/src/gui/qgsmapoverviewcanvas.cpp
+@@ -24,6 +24,7 @@
+ #include "qgsmaptopixel.h"
+ 
+ #include <QPainter>
++#include <QPainterPath>
+ #include <QPaintEvent>
+ #include <QResizeEvent>
+ #include <QMouseEvent>
diff --git a/qgis.changes b/qgis.changes
index 64f0280..775afb4 100644
--- a/qgis.changes
+++ b/qgis.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Mon Jun  8 15:39:20 UTC 2020 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+- Update to 3.12.3 (bugfix)
+
+-------------------------------------------------------------------
+Mon Jun  8 15:38:09 UTC 2020 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+- Backport patch for qt 5.15:
+  * qgis-qt5.15.patch
+
 -------------------------------------------------------------------
 Mon Apr 27 17:52:35 UTC 2020 - Nicolas Rochard <nrochard@gmail.com>
 
diff --git a/qgis.spec b/qgis.spec
index bc3e242..a52226a 100644
--- a/qgis.spec
+++ b/qgis.spec
@@ -18,7 +18,7 @@
 
 %bcond_without grass
 Name:           qgis
-Version:        3.12.2
+Version:        3.12.3
 Release:        0
 Summary:        A Geographic Information System (GIS)
 License:        GPL-2.0-only
@@ -28,6 +28,8 @@ Source:         https://qgis.org/downloads/%{name}-%{version}.tar.bz2
 Source1:        https://qgis.org/downloads/%{name}-%{version}.tar.bz2.sha256
 Source2:        %{name}.rpmlintrc
 Source3:        qgis_sample_data.zip
+# PATCH-FIX-UPSTREAM - Commit 31f586ec
+Patch1:         qgis-qt5.15.patch
 BuildRequires:  FastCGI-devel
 BuildRequires:  bison >= 2.4
 BuildRequires:  cmake >= 3.0.0