diff --git a/meson.build b/meson.build
index 8383b0ba..7e692380 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,7 @@ project('zoitechat', 'c',
   version: '2.17.3',
   meson_version: '>= 0.47.0',
   default_options: [
-    'c_std=gnu89',
+    'c_std=C17',
     'buildtype=debugoptimized',
     'warning_level=1',
   ]