diff --git a/.gitignore b/.gitignore
index 130818d..68b024a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -94,3 +94,4 @@ mutter-2.31.5.tar.bz2
 /mutter-3.17.3.tar.xz
 /mutter-3.17.4.tar.xz
 /mutter-3.17.90.tar.xz
+/mutter-3.17.91.tar.xz
diff --git a/mutter.spec b/mutter.spec
index 220905a..a8d09cd 100644
--- a/mutter.spec
+++ b/mutter.spec
@@ -2,7 +2,7 @@
 %global gsettings_desktop_schemas_version 3.15.92
 
 Name:          mutter
-Version:       3.17.90
+Version:       3.17.91
 Release:       1%{?dist}
 Summary:       Window and compositing manager based on Clutter
 
@@ -164,6 +164,9 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 %{_datadir}/mutter/tests
 
 %changelog
+* Thu Sep 03 2015 Florian Müllner <fmuellner@redhat.com> - 3.17.91-1
+- Update to 3.17.91
+
 * Thu Aug 20 2015 Florian Müllner <fmuellner@redhat.com> - 3.17.90-1
 - Update to 3.17.90
 
diff --git a/sources b/sources
index 72f9b92..8031dd0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-4e06d5118c4ddc240a9302f5d3851b25  mutter-3.17.90.tar.xz
+a639e3eb7ef7156ce330539f2eaa93c5  mutter-3.17.91.tar.xz