diff --git a/meson.build b/meson.build
index 05ede4b0..64ee961d 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('vips', 'c', 'cpp',
-    version: '8.14.1',
+    version: '8.15.0',
     meson_version: '>=0.55',
     default_options: [
         # this is what glib uses (one of our required deps), so we use it too
@@ -19,9 +19,9 @@ version_patch = version_parts[2]
 # binary interface changed: increment current, reset revision to 0
 #   binary interface changes backwards compatible?: increment age
 #   binary interface changes not backwards compatible?: reset age to 0
-library_revision = 1
-library_current = 58
-library_age = 16
+library_revision = 0
+library_current = 59
+library_age = 17
 library_version = '@0@.@1@.@2@'.format(library_current - library_age, library_age, library_revision)
 darwin_versions = [library_current + 1, '@0@.@1@'.format(library_current + 1, library_revision)]