diff --git a/kdesignerplugin-5.20.0.tar.xz b/kdesignerplugin-5.20.0.tar.xz
deleted file mode 100644
index 5b44a1a..0000000
--- a/kdesignerplugin-5.20.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e3ae79952ce7c3d1913d4ae30ed13026ca9f5b36139199e84f67a1bce4bcb6f2
-size 87096
diff --git a/kdesignerplugin-5.21.0.tar.xz b/kdesignerplugin-5.21.0.tar.xz
new file mode 100644
index 0000000..9c671e5
--- /dev/null
+++ b/kdesignerplugin-5.21.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5218a582e27ce8a31b3885cec7b6ca704aa0d628baf4aa32e5a0b2f65a4d4766
+size 87116
diff --git a/kdesignerplugin.changes b/kdesignerplugin.changes
index d18613c..a102e12 100644
--- a/kdesignerplugin.changes
+++ b/kdesignerplugin.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Mon Apr  4 14:19:50 UTC 2016 - hrvoje.senjan@gmail.com
+
+- Update to 5.21.0 (boo#974793)
+  * Upgrade Qt version requirement to 5.4.0
+  * For more details please see:
+    https://www.kde.org/announcements/kde-frameworks-5.21.0.php
+
 -------------------------------------------------------------------
 Sun Mar  6 09:56:51 UTC 2016 - hrvoje.senjan@gmail.com
 
diff --git a/kdesignerplugin.spec b/kdesignerplugin.spec
index 9fe3cca..2a82c02 100644
--- a/kdesignerplugin.spec
+++ b/kdesignerplugin.spec
@@ -17,9 +17,9 @@
 
 
 %bcond_without lang
-%define _tar_path 5.20
+%define _tar_path 5.21
 Name:           kdesignerplugin
-Version:        5.20.0
+Version:        5.21.0
 Release:        0
 %define kf5_version %{version}
 BuildRequires:  cmake >= 2.8.12
@@ -43,10 +43,10 @@ BuildRequires:  kwidgetsaddons-devel >= %{_tar_path}
 BuildRequires:  kwindowsystem-devel >= %{_tar_path}
 BuildRequires:  kxmlgui-devel >= %{_tar_path}
 %if %{with lang}
-BuildRequires:  cmake(Qt5LinguistTools) >= 5.3.0
+BuildRequires:  cmake(Qt5LinguistTools) >= 5.4.0
 %endif
-BuildRequires:  cmake(Qt5Core) >= 5.3.0
-BuildRequires:  cmake(Qt5Designer) >= 5.3.0
+BuildRequires:  cmake(Qt5Core) >= 5.4.0
+BuildRequires:  cmake(Qt5Designer) >= 5.4.0
 %if %{with lang}
 Recommends:     %{name}-lang = %{version}
 %endif
@@ -68,7 +68,7 @@ Summary:        Integrating KDE frameworks widgets with Qt Designer
 Group:          Development/Libraries/KDE
 Requires:       %{name} = %{version}
 Requires:       extra-cmake-modules
-Requires:       cmake(Qt5Core) >= 5.3.0
+Requires:       cmake(Qt5Core) >= 5.4.0
 
 %description devel
 This framework provides plugins for Qt Designer that allow it to display