diff --git a/.gitignore b/.gitignore
index 01b6af8..6c12990 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /.DS_Store
 /.vscode
-/build
\ No newline at end of file
+/build/*
+!/build/pico-picoemp-test-target.uf2
\ No newline at end of file