diff --git a/.gitattributes b/.gitattributes
index d1cb3a1..299745b 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,3 @@
 *.fits filter=lfs diff=lfs merge=lfs -text
 *.asdf filter=lfs diff=lfs merge=lfs -text
-tests/data filter=lfs diff=lfs merge=lfs -text
+tests/data/* filter=lfs diff=lfs merge=lfs -text