diff --git a/extra/digikam/PKGBUILD b/extra/digikam/PKGBUILD
index 5db734a0c..0ace7a0f6 100644
--- a/extra/digikam/PKGBUILD
+++ b/extra/digikam/PKGBUILD
@@ -11,9 +11,9 @@ pkgbase=digikam
 pkgname=('digikam' 'kipi-plugins')
 _pkgver=5.7.0
 pkgver=${_pkgver//-/_} # for beta versions
-pkgrel=1
-pkgdesc="Digital photo management application for KDE"
-arch=('i686' 'x86_64')
+pkgrel=3
+pkgdesc="An advanced digital photo management application"
+arch=('x86_64')
 license=('GPL')
 url="http://www.digikam.org/"
 makedepends=('extra-cmake-modules' 'libkipi' 'libksane' 'liblqr' 'opencv' 'boost'
@@ -21,8 +21,12 @@ makedepends=('extra-cmake-modules' 'libkipi' 'libksane' 'liblqr' 'opencv' 'boost
              'kfilemetadata' 'akonadi-contacts' 'qtav' 'threadweaver' 'kcalcore'
              'knotifyconfig' 'libmediawiki' 'libkvkontakte')
 source=("http://download.kde.org/stable/${pkgname}/${pkgname}-${_pkgver}.tar.xz"
-        '0001-optionally-enable-OpenGL.patch')
+        digikam-kcalcore-17.12.patch
+        digikam-qt-5.9.3.patch::"https://cgit.kde.org/digikam.git/patch/?id=855ba5b7"
+        0001-optionally-enable-OpenGL.patch)
 sha256sums=('3605ffb5b6e8fbd6b725e5075f74f505d7edee7531789c2882d11df2d20150f5'
+            '61648bdeb88dcb94d2896b9d9211c6a6b50a39a143701e04465aa040a60053c0'
+            '03822e596321028d0971ec82351337dad76abeda93c9cef3b1d2a31807e02661'
             'f6f234f430f02e058e12e48577f9d8441959e84b42f4e50d733706be8b214bf5')
 
 prepare() {
@@ -32,6 +36,11 @@ prepare() {
   sed -e '/sv/d' -i $pkgname-$pkgver/doc-translated/CMakeLists.txt
 # fix conflicts with libkvkontakte
   rm $pkgbase-$pkgver/po/*/libkvkontakte.po
+# fix build with kcalcore 17.12
+  cd $pkgname-$_pkgver/core
+  patch -p1 -i "$srcdir"/digikam-kcalcore-17.12.patch
+# fix thumbnails with Qt 5.9.3
+  patch -p1 -i "$srcdir"/digikam-qt-5.9.3.patch
 
   # OpenGL switch
   cd $pkgbase-$pkgver/core
diff --git a/extra/digikam/digikam-kcalcore-17.12.patch b/extra/digikam/digikam-kcalcore-17.12.patch
new file mode 100644
index 000000000..914c5949e
--- /dev/null
+++ b/extra/digikam/digikam-kcalcore-17.12.patch
@@ -0,0 +1,77 @@
+From dad750fadc926b62603cc9d64009ee5072a46d97 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Daniel=20Vr=C3=A1til?= <dvratil@kde.org>
+Date: Wed, 13 Sep 2017 16:51:14 +0200
+Subject: Adapt to KCalCore API changes
+
+This change supports both old (pre-QDateTime) and new version.
+
+Differential Revision: https://phabricator.kde.org/D7802
+---
+ CMakeLists.txt                                      |  3 +++
+ app/utils/digikam_config.h.cmake.in                 |  3 +++
+ utilities/assistants/calendar/print/calsettings.cpp | 14 ++++++++++----
+ 3 files changed, 16 insertions(+), 4 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 3ad686d..e2f28a7 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -174,6 +174,9 @@ find_package(KF5 ${CALENDAR_MIN_VERSION} QUIET
+              OPTIONAL_COMPONENTS
+              CalendarCore           # For Calendar tool.
+ )
++if ("${KF5CalendarCore_VERSION}" VERSION_GREATER 5.6.40)
++    set(HAVE_KCALENDAR_QDATETIME TRUE)
++endif()
+ 
+ if(ENABLE_AKONADICONTACTSUPPORT AND NOT KF5AkonadiContact_FOUND)
+     set(ENABLE_KFILEMETADATASUPPORT OFF)
+diff --git a/app/utils/digikam_config.h.cmake.in b/app/utils/digikam_config.h.cmake.in
+index 8a2e8e5..ffd3a22 100644
+--- a/app/utils/digikam_config.h.cmake.in
++++ b/app/utils/digikam_config.h.cmake.in
+@@ -75,6 +75,9 @@
+ /* Define to 1 if you have KCalendar core shared libraries installed */
+ #cmakedefine HAVE_KCALENDAR 1
+ 
++/* Define to 1 if you have KCalendar core shared libraries with QDateTime support installed */
++#cmakedefine HAVE_KCALENDAR_QDATETIME 1
++
+ /* Define to 1 if Panorama tool is supported */
+ #cmakedefine HAVE_PANORAMA 1
+ 
+diff --git a/utilities/assistants/calendar/print/calsettings.cpp b/utilities/assistants/calendar/print/calsettings.cpp
+index 46e995d..c6554ef 100644
+--- a/utilities/assistants/calendar/print/calsettings.cpp
++++ b/utilities/assistants/calendar/print/calsettings.cpp
+@@ -290,7 +290,13 @@ void CalSettings::loadSpecial(const QUrl& url, const QColor& color)
+         return;
+     }
+ 
+-    KCalCore::MemoryCalendar::Ptr memCal(new KCalCore::MemoryCalendar(QString::fromLatin1("UTC")));
++#if HAVE_KCALENDAR_QDATETIME
++    KCalCore::MemoryCalendar::Ptr memCal(new KCalCore::MemoryCalendar(QTimeZone::utc()));
++    using DateTime = QDateTime;
++#else
++    KCalCore::MemoryCalendar::Ptr memCal(new KCalCore::MemoryCalendar(QString::fromLatin1("UTC")));
++    using DateTime = KDateTime;
++#endif
+     KCalCore::FileStorage::Ptr fileStorage(new KCalCore::FileStorage(memCal, url.toLocalFile(), new KCalCore::ICalFormat));
+ 
+     qCDebug(DIGIKAM_GENERAL_LOG) << "Loading calendar from file " << url.toLocalFile();
+@@ -308,9 +309,9 @@ void CalSettings::loadSpecial(const QUrl& url, const QColor& color)
+         qLast  = calSys.date(params.year + 1, 1, 1);
+         qLast  = qLast.addDays(-1);
+ 
+-        KDateTime dtFirst(qFirst);
+-        KDateTime dtLast(qLast);
+-        KDateTime dtCurrent;
++        DateTime dtFirst(qFirst, QTime(0, 0));
++        DateTime dtLast(qLast, QTime(0, 0));
++        DateTime dtCurrent;
+ 
+         int counter                = 0;
+         KCalCore::Event::List list = memCal->rawEvents(qFirst, qLast);
+-- 
+cgit v0.11.2
+