diff --git a/NEWS b/NEWS
index 30ad48787..7eb7f86ca 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,29 @@
+3.1.91.1
+========
+* Fix problem where certain application updates would get lost [#657071, Owen]
+* Fix a problem where after resuming from the screensaver, things got
+  slow [#658228, Jasper, Adel]
+* When a monitor is plugged or unplugged, keep existing windows on their
+  current monitor [#645408, Alex]
+* Remove 'Mutter' title from alerts such as
+  "The widow '%s' is not responding" [Matthias]
+* Remove pointless warning:
+   Received a _NET_WM_MOVERESIZE message for %s; these
+   messages lack timestamps and therefore suck.
+  [Rui]
+* Misc bug fixes [Jasper]
+* Build fixes [Javier]
+
+Contributors:
+ Matthias Clasen, Adel Gadllah, Javier Jardón, Alex Larsson, Rui Matos,
+ Jasper St. Pierre, Owen Taylor
+
+Translations:
+ Ihar Hrachyshka [be], Bruce Cowan [en_FB], Daniel Mustieles [es],
+ Claude Paroz [fr], Andika Triwidada [id], Luca Ferretti [it],
+ Rudolfs Mazurs [lt], Piotr Drąg [pl], Duarte Loreto [pt],
+ Matej Urbančič [sl], Tirumurti Vasudevan [ta], Chao-Hsiung Liao [zh_KH, TW]
+
 3.1.90.1
 ========
 * Fix crash when no windows are open [Adel; #657692]
diff --git a/configure.in b/configure.in
index 913d331d3..7ae9419bb 100644
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,7 @@ AC_PREREQ(2.50)
 
 m4_define([mutter_major_version], [3])
 m4_define([mutter_minor_version], [1])
-m4_define([mutter_micro_version], [90.1])
+m4_define([mutter_micro_version], [91.1])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])