diff --git a/src/stcal/resample/utils.py b/src/stcal/resample/utils.py
index 35498c23..2c3b6c65 100644
--- a/src/stcal/resample/utils.py
+++ b/src/stcal/resample/utils.py
@@ -4,7 +4,7 @@
 import asdf
 import numpy as np
 from astropy.nddata.bitmask import interpret_bit_flags
-from spherical_geometry.polygon import SphericalPolygon
+from spherical_geometry.polygon import SphericalPolygon  # type: ignore
 
 
 __all__ = [