diff --git a/.gitattributes b/.gitattributes
index d2f31ef..f787c0e 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
-tests/test_files/** linguist-vendored
+packages/markitdown/tests/test_files/** linguist-vendored
+packages/markitdown-sample-plugin/tests/test_files/** linguist-vendored