diff --git a/.ycm_extra_conf.py b/.ycm_extra_conf.py
index de8b4721..1c9942dc 100644
--- a/.ycm_extra_conf.py
+++ b/.ycm_extra_conf.py
@@ -74,6 +74,12 @@
 '-isystem',
 '/usr/include/c++/5',
 '-isystem',
+'/usr/include/c++/5.1',
+'-isystem',
+'/usr/include/c++/5.2',
+'-isystem',
+'/usr/include/c++/5.3',
+'-isystem',
 '/usr/include/c++/5.4.0',
 '-isystem',
 '/usr/include/c++/6',