diff --git a/libksysguard-5.12.2.tar.xz b/libksysguard-5.12.2.tar.xz
deleted file mode 100644
index fb0eec9..0000000
--- a/libksysguard-5.12.2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:29bc383652e0d195f181cc7c166c177a338381fd5dd9b9c0430ea1cee921c8d9
-size 571300
diff --git a/libksysguard-5.12.3.tar.xz b/libksysguard-5.12.3.tar.xz
new file mode 100644
index 0000000..716ad84
--- /dev/null
+++ b/libksysguard-5.12.3.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f478560119850a8dccfaa00285b7a08a6462b54b31b2a175529e0f889a1e8f1a
+size 570712
diff --git a/libksysguard5.changes b/libksysguard5.changes
index 9d2d687..76fad2c 100644
--- a/libksysguard5.changes
+++ b/libksysguard5.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Tue Mar  6 16:07:42 CET 2018 - fabian@ritter-vogt.de
+
+- Update to 5.12.3
+  * New bugfix release
+  * For more details please see:
+  * https://www.kde.org/announcements/plasma-5.12.3.php
+- Changes since 5.12.2:
+  * None
+
 -------------------------------------------------------------------
 Wed Feb 21 23:57:08 CET 2018 - lbeltrame@kde.org
 
diff --git a/libksysguard5.spec b/libksysguard5.spec
index 6663b3f..abf778a 100644
--- a/libksysguard5.spec
+++ b/libksysguard5.spec
@@ -18,13 +18,13 @@
 
 %bcond_without lang
 Name:           libksysguard5
-Version:        5.12.2
+Version:        5.12.3
 Release:        0
 Summary:        Task management and system monitoring library
 License:        GPL-2.0+
 Group:          Development/Libraries/C and C++
 Url:            http://www.kde.org
-Source:         libksysguard-%{version}.tar.xz
+Source:         http://download.kde.org/stable/plasma/%{version}/libksysguard-%{version}.tar.xz
 Source1:        baselibs.conf
 BuildRequires:  extra-cmake-modules >= 1.2.0
 BuildRequires:  kf5-filesystem