diff --git a/.gitignore b/.gitignore
index 48b1d01..3d34e48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,6 +74,7 @@ subprojects/libconstants/
 subprojects/liblogging/
 subprojects/.wraplock
 subprojects/tomlplusplus-*/
+subprojects/CLI11-*/
 
 qhull.wrap
 quill.wrap