diff --git a/pyproject.toml b/pyproject.toml
index 0a64a84bb..590f27092 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,8 @@ dependencies = [
     "asdf-astropy >=0.5.0",
     "astropy >=5.3.0",
     "crds >=11.16.16",
-    "gwcs >=0.21.0",
+    #"gwcs >=0.21.0",
+    "gwcs @ git+https://github.com/nden/gwcs.git@inverse-bbox",
     "jsonschema >=4.8",
     "numpy >=1.23",
     "photutils >=1.13.0",
diff --git a/romancal/conftest.py b/romancal/conftest.py
index c9fe82abd..bba0638af 100644
--- a/romancal/conftest.py
+++ b/romancal/conftest.py
@@ -237,10 +237,19 @@ def base_image():
     """
 
     def _base_image(shift_1=0, shift_2=0):
-        l2 = maker_utils.mk_level2_image(shape=(100, 100))
-        l2_im = rdm.ImageModel(l2)
-        _create_wcs(l2_im)
-        l2_im.meta.wcsinfo.vparity = -1
-        return l2_im
+        model = maker_utils.mk_level2_image(shape=(100, 100))
+        model.meta.wcsinfo["vparity"] = -1
+        model.meta.wcsinfo["ra_ref"] = 178.37567
+        model.meta.wcsinfo["dec_ref"] = -2.674389
+        model.meta.wcsinfo["v2_ref"] = 2216.3796908471754
+        model.meta.wcsinfo["v3_ref"] = 130.234233411109
+        model.meta.wcsinfo["v3yangle"] = -60.0
+        model.meta.wcsinfo["roll_ref"] = 60.0
+        img = rdm.ImageModel(model)
+        transform = pointing.v23tosky(img)
+        img.meta.wcs.set_transform('detector', 'icrs', transform)
+        img.meta.wcs.bounding_box = ((-0.5, 2300), (-0.5, 200))
+        
+        return img
 
     return _base_image
diff --git a/romancal/resample/tests/test_resample_step.py b/romancal/resample/tests/test_resample_step.py
index dc16a8924..83512acdc 100644
--- a/romancal/resample/tests/test_resample_step.py
+++ b/romancal/resample/tests/test_resample_step.py
@@ -8,6 +8,7 @@
 from gwcs import coordinate_frames as cf
 from roman_datamodels import datamodels, maker_utils
 
+from romancal.assign_wcs import pointing
 from romancal.resample import ResampleStep, resample_utils
 
 
@@ -337,8 +338,16 @@ def test_build_driz_weight_multiple_good_bits(
 def test_set_good_bits_in_resample_meta(base_image, good_bits):
     model = maker_utils.mk_level2_image(shape=(100, 100))
     model.meta.wcsinfo["vparity"] = -1
-
+    model.meta.wcsinfo["ra_ref"] = 178.37567
+    model.meta.wcsinfo["dec_ref"] = -2.674389
+    model.meta.wcsinfo["v2_ref"] = 2216.3796908471754
+    model.meta.wcsinfo["v3_ref"] = 130.234233411109
+    model.meta.wcsinfo["v3yangle"] = -60.0
+    model.meta.wcsinfo["roll_ref"] = 60.0
     img = datamodels.ImageModel(model)
+    transform = pointing.v23tosky(img)
+    img.meta.wcs.set_transform('detector', 'icrs', transform)
+    img.meta.wcs.bounding_box = ((-0.5, 2300), (-0.5, 200))
 
     img.data *= img.meta.photometry.conversion_megajanskys / img.data