diff --git a/.gitignore b/.gitignore
index fb5d38e3d856ecf088a8b2a2eed6c12b71dbc696..31f7912bb85818593f4fb220d311186a82ab6002 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,3 +56,6 @@ pkg/wakaama/wakaama
 
 # clang-complete command line argument lists (Vim: clang-complete, Atom: linter-clang, autocomplete-clang addons)
 .clang_complete
+# YouCompleteMe (https://github.com/Valloric/YouCompleteMe)
+.ycm_extra_conf.py
+.ycm_extra_conf.pyc