diff --git a/etc/.gitpreserve b/etc/.gitpreserve
index be2b809..0a62ab7 100644
--- a/etc/.gitpreserve
+++ b/etc/.gitpreserve
@@ -8,3 +8,7 @@ cache-lt
 
 # Kate
 .kate-swp
+
+# Custom Doxyfile configuration
+Doxyfile
+