diff --git a/_constraints b/_constraints
new file mode 100644
index 0000000..2e7d479
--- /dev/null
+++ b/_constraints
@@ -0,0 +1,7 @@
+<constraints>
+ <hardware>
+  <memory>
+   <size unit="G">4</size>
+  </memory>
+ </hardware>
+</constraints>
diff --git a/krita-3.1.2.1.tar.gz b/krita-3.1.2.1.tar.gz
deleted file mode 100644
index 500ab53..0000000
--- a/krita-3.1.2.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:934ed82c3f4e55e7819b327c838ea2f307d3bf3d040722501378b01d76a3992d
-size 209242179
diff --git a/krita-3.1.3.tar.gz b/krita-3.1.3.tar.gz
new file mode 100644
index 0000000..2500c79
--- /dev/null
+++ b/krita-3.1.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:816b9fa9717b78d8dc3a9c4efd49f7a5e3b7f2a0965f2434c48b708598d1b288
+size 209606776
diff --git a/krita.changes b/krita.changes
index dbec1b8..f90def1 100644
--- a/krita.changes
+++ b/krita.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Mon May  1 12:03:56 UTC 2017 - fabian@ritter-vogt.de
+
+- Update to version 3.1.3:
+  * New features:
+    + implement context menu actions for default tool (cut, copy, paste, object ordering)
+    + added option to allow multiple instances of krita (BUG 377199)
+    + scale around pivot point added
+  * Too many bugfixes to list here, see:
+    https://krita.org/en/release-notes-for-3-1-3/
+- Add _constraints: Needs at least 4 GiB RAM
+
 -------------------------------------------------------------------
 Wed Feb  1 11:52:50 UTC 2017 - adam.majer@suse.de
 
diff --git a/krita.spec b/krita.spec
index dd8ef49..a107352 100644
--- a/krita.spec
+++ b/krita.spec
@@ -19,13 +19,13 @@
 %bcond_without lang
 
 Name:           krita
-Version:        3.1.2.1
+Version:        3.1.3
 Release:        0
 Summary:        Digital Painting Application
 License:        GPL-2.0+ and LGPL-2.1+
 Group:          Productivity/Graphics/Bitmap Editors
 Url:            http://www.krita.org/
-Source0:        http://download.kde.org/stable/krita/3.1.2/krita-%{version}.tar.gz
+Source0:        http://download.kde.org/stable/krita/%{version}/krita-%{version}.tar.gz
 Source99:       %{name}.changes
 BuildRequires:  Mesa-devel
 BuildRequires:  OpenColorIO-devel