diff --git a/meson.build b/meson.build
index f810525..e0340ff 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,8 @@
 project('inih',
     ['c'],
     license : 'BSD-3-Clause',
-    version : '56',
+    version : '57',
+    default_options : ['cpp_std=c++11']
 )
 
 #### options ####