diff --git a/desktop/kde/applications/kdepim-runtime/files/qt5.patch b/desktop/kde/applications/kdepim-runtime/files/qt5.patch
new file mode 100644
index 0000000000..3bfae7e501
--- /dev/null
+++ b/desktop/kde/applications/kdepim-runtime/files/qt5.patch
@@ -0,0 +1,62 @@
+diff -Nuar a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	2017-12-14 14:08:44.000000000 +0300
++++ b/CMakeLists.txt	2017-12-17 22:28:41.525681257 +0300
+@@ -62,7 +62,7 @@
+ include(ECMCoverageOption)
+ 
+ 
+-set(QT_REQUIRED_VERSION "5.8.0")
++set(QT_REQUIRED_VERSION "5.7.1")
+ 
+ set(KDEPIMRUNTIME_LIB_VERSION "${KDEPIM_RUNTIME_VERSION_NUMBER}")
+ set(KDEPIMRUNTIME_LIB_SOVERSION "5")
+diff -Nuar a/resources/tomboynotes/tomboyitemuploadjob.cpp b/resources/tomboynotes/tomboyitemuploadjob.cpp
+--- a/resources/tomboynotes/tomboyitemuploadjob.cpp	2017-12-13 15:11:13.000000000 +0300
++++ b/resources/tomboynotes/tomboyitemuploadjob.cpp	2017-12-17 22:30:50.749671933 +0300
+@@ -65,7 +65,9 @@
+     case JobType::AddItem:
+         jsonNote[QLatin1String("create-date")] = getCurrentISOTime();
+         // Missing break is intended
++#if QT_VERSION >= QT_VERSION_CHECK(5,8,0)
+         Q_FALLTHROUGH();
++#endif
+     case JobType::ModifyItem:
+         jsonNote[QLatin1String("title")] = mNoteContent->headerByType("subject")->asUnicodeString();
+         jsonNote[QLatin1String("note-content")] = mNoteContent->mainBodyPart()->decodedText();
+diff -Nuar a/resources/imap/searchtask.cpp b/resources/imap/searchtask.cpp
+--- a/resources/imap/searchtask.cpp	2017-12-13 15:11:13.000000000 +0300
++++ b/resources/imap/searchtask.cpp	2017-12-17 22:48:51.475593953 +0300
+@@ -104,12 +104,16 @@
+             switch (term.condition()) {
+             case Akonadi::SearchTerm::CondGreaterOrEqual:
+                 value--;
++#if QT_VERSION >= QT_VERSION_CHECK(5,8,0)
+                 Q_FALLTHROUGH();
++#endif
+             case Akonadi::SearchTerm::CondGreaterThan:
+                 return KIMAP::Term(KIMAP::Term::Larger, value).setNegated(term.isNegated());
+             case Akonadi::SearchTerm::CondLessOrEqual:
+                 value++;
++#if QT_VERSION >= QT_VERSION_CHECK(5,8,0)
+                 Q_FALLTHROUGH();
++#endif
+             case Akonadi::SearchTerm::CondLessThan:
+                 return KIMAP::Term(KIMAP::Term::Smaller, value).setNegated(term.isNegated());
+             case Akonadi::SearchTerm::CondEqual:
+@@ -128,12 +132,16 @@
+             switch (term.condition()) {
+             case Akonadi::SearchTerm::CondGreaterOrEqual:
+                 value = value.addDays(-1);
++#if QT_VERSION >= QT_VERSION_CHECK(5,8,0)
+                 Q_FALLTHROUGH();
++#endif
+             case Akonadi::SearchTerm::CondGreaterThan:
+                 return KIMAP::Term(KIMAP::Term::SentSince, value).setNegated(term.isNegated());
+             case Akonadi::SearchTerm::CondLessOrEqual:
+                 value = value.addDays(1);
++#if QT_VERSION >= QT_VERSION_CHECK(5,8,0)
+                 Q_FALLTHROUGH();
++#endif
+             case Akonadi::SearchTerm::CondLessThan:
+                 return KIMAP::Term(KIMAP::Term::SentBefore, value).setNegated(term.isNegated());
+             case Akonadi::SearchTerm::CondEqual:
diff --git a/desktop/kde/applications/kdepim-runtime/pspec.xml b/desktop/kde/applications/kdepim-runtime/pspec.xml
index 97a6f01ec9..46f4661f58 100644
--- a/desktop/kde/applications/kdepim-runtime/pspec.xml
+++ b/desktop/kde/applications/kdepim-runtime/pspec.xml
@@ -14,7 +14,7 @@
         <IsA>app:gui</IsA>
         <Summary>KDE5 PIM Runtime Environment</Summary>
         <Description>kdepim-runtime contains KDE5 PIM (Personal Information Management) runtime environment like akonadi agents.</Description>
-        <Archive sha1sum="2c4993d83f2391780877145bac00371b622d8953" type="tarxz">mirrors://kde/stable/applications/17.08.3/src/kdepim-runtime-17.08.3.tar.xz</Archive>
+        <Archive sha1sum="6be953039a8eae37a7eb7dabff3bed06d46e2091" type="tarxz">mirrors://kde/stable/applications/17.12.0/src/kdepim-runtime-17.12.0.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>kdoctools-devel</Dependency>
             <Dependency>boost-devel</Dependency>
@@ -55,6 +55,9 @@
             <Dependency>qt5-speech-devel</Dependency>
             <Dependency>kdav-devel</Dependency>
         </BuildDependencies>
+        <Patches>
+            <Patch>qt5.patch</Patch>
+        </Patches>
     </Source>
 
     <Package>
@@ -125,6 +128,13 @@
     </Package>
 
     <History>
+        <Update release="14">
+            <Date>2017-12-15</Date>
+            <Version>17.12.0</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="13">
             <Date>2017-11-11</Date>
             <Version>17.08.3</Version>