diff --git a/download_data.sh b/download_data.sh
index b9d4622..5acb12f 100755
--- a/download_data.sh
+++ b/download_data.sh
@@ -9,19 +9,19 @@ read -p "Enter the number corresponding to your choice: " choice
 
 case $choice in
     2)
-        # Download 10m dataset
-        wget https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_{0001..0010}.json.gz -P ~/data/bluesky -N
+        # Download 10m dataset: files 0001 to 0010
+        wget --timestamping --directory-prefix ~/data/bluesky --input-file <(seq --format "https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_%04g.json.gz" 1 10)
         ;;
     3)
-        # Download 100m dataset
-        wget https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_{0001..0100}.json.gz -P ~/data/bluesky -N
+        # Download 100m dataset: files 0001 to 0100
+        wget --timestamping --directory-prefix ~/data/bluesky --input-file <(seq --format "https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_%04g.json.gz" 1 100)
         ;;
     4)
-        # Download 1000m dataset
-        wget https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_{0001..1000}.json.gz -P ~/data/bluesky -N
+        # Download 1000m dataset: files 0001 to 1000
+        wget --timestamping --directory-prefix ~/data/bluesky --input-file <(seq --format "https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_%04g.json.gz" 1 1000)
         ;;
     *)
-        # Download 1m dataset
-        wget https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_0001.json.gz -P ~/data/bluesky -N
+        # Download 1m dataset: single file
+        wget --timestamping --directory-prefix ~/data/bluesky "https://clickhouse-public-datasets.s3.amazonaws.com/bluesky/file_0001.json.gz"
         ;;
-esac
\ No newline at end of file
+esac