diff --git a/test/gen/meson.build b/test/gen/meson.build
index c63d829..38522c5 100644
--- a/test/gen/meson.build
+++ b/test/gen/meson.build
@@ -5,10 +5,10 @@
     check: true,
 ).stdout().strip().split('\n')[0]
 
-if sdbuspp_gen_meson_ver != 'sdbus++-gen-meson version 8'
+if sdbuspp_gen_meson_ver != 'sdbus++-gen-meson version 9'
     warning('Generated meson files from wrong version of sdbus++-gen-meson.')
     warning(
-        'Expected "sdbus++-gen-meson version 8", got:',
+        'Expected "sdbus++-gen-meson version 9", got:',
         sdbuspp_gen_meson_ver
     )
 endif