required for gtest
--
diff --git a/meson.build b/meson.build
index a8803ab..ad46488 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('zim-tools', ['c', 'cpp'],
   version : '3.1.3',
   license : 'GPLv3+',
-  default_options : ['c_std=c11', 'cpp_std=c++11', 'werror=true'])
+  default_options : ['c_std=c11', 'cpp_std=c++14', 'werror=true'])
 
 add_global_arguments(['-Werror', '-Wall'], language:'cpp')