diff --git a/requirements.txt b/requirements.txt
index a24402a..b788062 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ pyarrow
 zstandard
 datasets
 fsspec
-gcsfs
\ No newline at end of file
+gcsfs
+braceexpand
\ No newline at end of file