diff --git a/.gitignore b/.gitignore
index 1780a41c03..9e2836455f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# Help tools that honor '.gitignore' (redundant for Git itself).
+/.git
+
 /CMakeUserPresets.json
 
 # Common build directories