diff --git a/desktop/kde/applications/incidenceeditor/files/qt5.patch b/desktop/kde/applications/incidenceeditor/files/qt5.patch
new file mode 100644
index 0000000000..2c44b96bc2
--- /dev/null
+++ b/desktop/kde/applications/incidenceeditor/files/qt5.patch
@@ -0,0 +1,12 @@
+diff -Nuar a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	2017-12-08 04:03:56.000000000 +0300
++++ b/CMakeLists.txt	2017-12-17 23:22:46.040447149 +0300
+@@ -30,7 +30,7 @@
+ set(INCIDENCEEDITOR_LIB_VERSION ${PIM_VERSION})
+ set(AKONADI_MIMELIB_VERSION "5.7.0")
+ set(KDEPIM_LIB_VERSION "5.7.0")
+-set(QT_REQUIRED_VERSION "5.8.0")
++set(QT_REQUIRED_VERSION "5.7.1")
+ set(KMIME_LIB_VERSION "5.7.0")
+ set(KMAILTRANSPORT_LIB_VERSION "5.7.0")
+ set(KLDAP_LIB_VERSION "5.7.0")
diff --git a/desktop/kde/applications/incidenceeditor/pspec.xml b/desktop/kde/applications/incidenceeditor/pspec.xml
index b8f6a263a7..b190664512 100644
--- a/desktop/kde/applications/incidenceeditor/pspec.xml
+++ b/desktop/kde/applications/incidenceeditor/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>app:console</IsA>
         <Summary>KDE PIM incidence editor.</Summary>
         <Description>KDE PIM incidence editor.</Description>
-        <Archive sha1sum="1238bfdd33f8dc8d3dff307516d3b99730264888" type="tarxz">http://download.kde.org/stable/applications/17.08.3/src/incidenceeditor-17.08.3.tar.xz</Archive>
+        <Archive sha1sum="69daa6750631f3edb8f377b985407d49c7b5975a" type="tarxz">http://download.kde.org/stable/applications/17.12.0/src/incidenceeditor-17.12.0.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>extra-cmake-modules</Dependency>
             <Dependency versionFrom="5.7.1">qt5-base-devel</Dependency>
@@ -47,6 +47,9 @@
             <Dependency>akonadi-mime-devel</Dependency>
             <Dependency>akonadi-contacts-devel</Dependency>
         </BuildDependencies>
+        <Patches>
+            <Patch>qt5.patch</Patch>
+        </Patches>
     </Source>
 
     <Package>
@@ -110,6 +113,13 @@
     </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>2017-11-12</Date>
             <Version>17.08.3</Version>