diff --git a/CMakeLists.txt b/CMakeLists.txt
index e6450c8..e418435 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,13 +12,13 @@
 cmake_minimum_required(VERSION 3.13)
 
 project(rem
-  VERSION 2.11.0
+  VERSION 2.12.0
   LANGUAGES C
   HOMEPAGE_URL https://github.com/baresip/rem
   DESCRIPTION "Audio and video processing media library"
 )
 
-set(PROJECT_SOVERSION 5) # bump if ABI breaks
+set(PROJECT_SOVERSION 6) # bump if ABI breaks
 
 # Pre-release identifier, comment out on a release
 # Increment for breaking changes (dev2, dev3...)
diff --git a/mk/Doxyfile b/mk/Doxyfile
index ed63b3f..1743843 100644
--- a/mk/Doxyfile
+++ b/mk/Doxyfile
@@ -4,7 +4,7 @@
 # Project related configuration options
 #---------------------------------------------------------------------------
 PROJECT_NAME           = librem
-PROJECT_NUMBER         = 2.11.0
+PROJECT_NUMBER         = 2.12.0
 OUTPUT_DIRECTORY       = ../rem-dox
 CREATE_SUBDIRS         = NO
 OUTPUT_LANGUAGE        = English