diff --git a/import-scripts/import_scripts/channel.py b/import-scripts/import_scripts/channel.py
index 94258a2..4e8dc6d 100644
--- a/import-scripts/import_scripts/channel.py
+++ b/import-scripts/import_scripts/channel.py
@@ -32,7 +32,7 @@ CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
 INDEX_SCHEMA_VERSION = os.environ.get("INDEX_SCHEMA_VERSION", 0)
 DIFF_OUTPUT = ["json", "stats"]
 CHANNELS = {
-    "unstable": "nixos/unstable/nixos-21.03pre",
+    "unstable": "nixos/unstable/nixos-21.05pre",
     "20.03": "nixos/20.03/nixos-20.03.",
     "20.09": "nixos/20.09/nixos-20.09.",
 }