diff --git a/NEWS b/NEWS
index 5e66a89a9..ddbdc96a0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+3.9.1
+=====
+* Fix miscellaneous memory leaks [Pavel; #698710]
+* Misc fixes and cleanups [Stef, Simon; #698179, #697758]
+
+Contributors:
+  Simon McVittie, Pavel Vasin, Stef Walter
+
 3.8.1
 =====
 * Fix crash when getting default font [Bastien; #696814]
diff --git a/configure.ac b/configure.ac
index 85164ba62..b687b5cb5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ(2.50)
 
 m4_define([mutter_major_version], [3])
-m4_define([mutter_minor_version], [8])
+m4_define([mutter_minor_version], [9])
 m4_define([mutter_micro_version], [1])
 
 m4_define([mutter_version],