diff --git a/src/hyp3_srg/__main__.py b/src/hyp3_srg/__main__.py
index f02c266..2ebb1d6 100644
--- a/src/hyp3_srg/__main__.py
+++ b/src/hyp3_srg/__main__.py
@@ -14,7 +14,7 @@ def main():
     parser = argparse.ArgumentParser(prefix_chars='+', formatter_class=argparse.ArgumentDefaultsHelpFormatter)
     parser.add_argument(
         '++process',
-        choices=['back_projection'],
+        choices=['back_projection', 'timeseries'],
         default='back_projection',
         help='Select the HyP3 entrypoint to use',  # HyP3 entrypoints are specified in `pyproject.toml`
     )