diff --git a/libksysguard-5.21.2.tar.xz b/libksysguard-5.21.2.tar.xz
deleted file mode 100644
index 31e08d8..0000000
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+++ /dev/null
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deleted file mode 100644
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diff --git a/libksysguard-5.21.3.1.tar.xz b/libksysguard-5.21.3.1.tar.xz
new file mode 100644
index 0000000..aee7e1e
--- /dev/null
+++ b/libksysguard-5.21.3.1.tar.xz
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+size 706316
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new file mode 100644
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diff --git a/libksysguard5.changes b/libksysguard5.changes
index 4ac5cf4..be95c42 100644
--- a/libksysguard5.changes
+++ b/libksysguard5.changes
@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Tue Mar 16 13:55:25 UTC 2021 - Fabian Vogt <fabian@ritter-vogt.de>
+
+- Update to 5.21.3.1
+  * New bugfix release
+  * For more details please see:
+  * https://kde.org/announcements/plasma/5/5.21.3
+- Changes since 5.21.2:
+  * SensorFaceController: Save on destruction if the face requests it (kde#433768,kde#433536,kde#434005)
+  * Avoid emitting configurationChanged during save (kde#422672)
+  * SensorDataModel: Do not insert columns that are out of range (kde#433064)
+  * Properly initialize the parent widget to nullptr in ProcessController (kde#434074)
+  * Also emit showTitleChanged when reloading the config (kde#433954)
+  * Fix build
+  * Move CGroup pid fetching callback to the controller (kde#430615)
+
 -------------------------------------------------------------------
 Tue Mar  2 15:01:37 UTC 2021 - Fabian Vogt <fabian@ritter-vogt.de>
 
diff --git a/libksysguard5.spec b/libksysguard5.spec
index 188892e..d8ad583 100644
--- a/libksysguard5.spec
+++ b/libksysguard5.spec
@@ -18,15 +18,15 @@
 
 %bcond_without lang
 Name:           libksysguard5
-Version:        5.21.2
+Version:        5.21.3.1
 Release:        0
 Summary:        Task management and system monitoring library
 License:        GPL-2.0-or-later
 Group:          Development/Libraries/C and C++
 URL:            http://www.kde.org
-Source:         libksysguard-%{version}.tar.xz
+Source:         https://download.kde.org/stable/plasma/5.21.3/libksysguard-%{version}.tar.xz
 %if %{with lang}
-Source1:        libksysguard-%{version}.tar.xz.sig
+Source1:        https://download.kde.org/stable/plasma/5.21.3/libksysguard-%{version}.tar.xz.sig
 Source2:        plasma.keyring
 %endif
 BuildRequires:  extra-cmake-modules >= 1.2.0