diff --git a/.gitignore b/.gitignore
index 3d33190..9e57e7f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,5 +60,6 @@ tags
 
 subprojects/mfem/
 subprojects/tetgen/
+subprojects/yaml-cpp/
 
 .vscode/