diff --git a/meson.build b/meson.build
index 3f49aa163..f8bc344d3 100644
--- a/meson.build
+++ b/meson.build
@@ -3,6 +3,7 @@ project('nlohmann_json',
     version : '3.12.0',
     license : 'MIT',
     meson_version : '>= 0.64',
+    default_options: ['cpp_std=c++11'],
 )
 
 nlohmann_json_dep = declare_dependency(