diff --git a/src/lerobot/datasets/utils.py b/src/lerobot/datasets/utils.py
index 234736a756..e8aa87c02a 100644
--- a/src/lerobot/datasets/utils.py
+++ b/src/lerobot/datasets/utils.py
@@ -48,8 +48,8 @@
 from lerobot.utils.utils import SuppressProgressBars, is_valid_numpy_dtype_string
 
 DEFAULT_CHUNK_SIZE = 1000  # Max number of files per chunk
-DEFAULT_DATA_FILE_SIZE_IN_MB = 100  # Max size per file
-DEFAULT_VIDEO_FILE_SIZE_IN_MB = 200  # Max size per file
+DEFAULT_DATA_FILE_SIZE_IN_MB = 1000  # Max size per file
+DEFAULT_VIDEO_FILE_SIZE_IN_MB = 20000  # Max size per file
 
 INFO_PATH = "meta/info.json"
 STATS_PATH = "meta/stats.json"