diff --git a/meson.build b/meson.build
index 18e3b01b..f7422f06 100644
--- a/meson.build
+++ b/meson.build
@@ -3,7 +3,7 @@ project(
   'cpp',
   version: '1.0.0',
   meson_version: '>=0.49.0',
-  default_options: ['warning_level=1', 'cpp_std=c++17'],
+  default_options: ['warning_level=3', 'cpp_std=c++17'],
 )
 
 cargs = []