diff --git a/.gitignore b/.gitignore
index 3ca43ae..edfac18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,5 @@ Cargo.lock
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
 
+# a1ba: do not add my config files by accident
+config/