diff --git a/ChangeLog b/ChangeLog
index 03b8be635..4368c739e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,9 @@
 # Changelog
 
-## [16.6.0] - unreleased
+## [16.6.0] - 2026-03-24
 
 ### Changed
+- Gambit has a refreshed branding and logo which is reflected in this release!
 - `Game.comment` has been renamed to `Game.description`
 - With behaviour profiles that reach some information sets with probability zero, beliefs, action
   values, and infoset values are not well-defined.  These functions now return a
diff --git a/build_support/GAMBIT_VERSION b/build_support/GAMBIT_VERSION
index 28ebe8b4d..bd015b903 100644
--- a/build_support/GAMBIT_VERSION
+++ b/build_support/GAMBIT_VERSION
@@ -1 +1 @@
-16.5.0
+16.6.0