diff --git a/meson.build b/meson.build
index f6ce959..ff1b127 100644
--- a/meson.build
+++ b/meson.build
@@ -1,10 +1,10 @@
 # See README.md for details.
 project('openpower-hw-diags', 'cpp',
-        version: '0.1', meson_version: '>=0.58.0',
+        version: '0.1', meson_version: '>=1.1.1',
         default_options: [
           'warning_level=3',
           'werror=true',
-          'cpp_std=c++20',
+          'cpp_std=c++23',
         ])
 
 # Package directory root, which will contain required data files.