diff --git a/ChangeLog b/ChangeLog
index c0f9dd6b4..ae11bdf73 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+libzim 9.1.0
+============
+
+* New addAlias() method in the creator (@mgauthierfr #833)
+* Bump-up ZIM format minor version to 6.1.2 (@mgauthierfr #847)
+
 libzim 9.0.0
 ============
 
diff --git a/meson.build b/meson.build
index f3e7a2754..53b7522b7 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('libzim', ['c', 'cpp'],
-  version : '9.0.0',
+  version : '9.1.0',
   license : 'GPL2',
   default_options : ['c_std=c11', 'cpp_std=c++17', 'werror=true'])