diff --git a/nrcatalogtools/waveform.py b/nrcatalogtools/waveform.py
index 4852ddd..bd98091 100644
--- a/nrcatalogtools/waveform.py
+++ b/nrcatalogtools/waveform.py
@@ -18,7 +18,7 @@
 
 from sxs import TimeSeries as sxs_TimeSeries
 from sxs import WaveformModes as sxs_WaveformModes
-from sxs.waveforms.nrar import (
+from sxs.waveforms.format_handlers.nrar import (
     h,
     translate_data_type_to_spin_weight,
     translate_data_type_to_sxs_string,
diff --git a/requirements.txt b/requirements.txt
index ecef04e..dd2c3c7 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ lalsuite
 ligo-common
 pycbc
 pandas
-sxs
+sxs>=v2023.0.0
 waveformtools @ git+https://gitlab.com/vaishakp/waveformtools@main