diff --git a/.gitignore b/.gitignore
index a383c3c..083b4f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 build/
+builddir/
 test/sandbox
 .DS_Store
 examples/example_1/test1.exe
@@ -7,3 +8,4 @@ examples/example_2/all_tests.exe
 examples/example_1/test1.out
 examples/example_1/test2.out
 examples/example_2/all_tests.out
+examples/example_4/builddir