diff --git a/romanisim/image.py b/romanisim/image.py
index c07a7c6..59cfc88 100644
--- a/romanisim/image.py
+++ b/romanisim/image.py
@@ -635,8 +635,8 @@ def gather_reference_data(image_mod, usecrds=False):
                 log.warning('Could not find flat; using 1')
                 flat = 1
             out['flat'] = flat
-        image_mod.meta.ref_file.crds.sw_version = crds.__version__
-        image_mod.meta.ref_file.crds.context_used = crds.get_context_name(
+        image_mod.meta.ref_file.crds.version = crds.__version__
+        image_mod.meta.ref_file.crds.context = crds.get_context_name(
             observatory=image_mod.crds_observatory)
 
     # reffiles has all of the reference files / values we know about
diff --git a/romanisim/tests/test_image.py b/romanisim/tests/test_image.py
index eac0c11..0275d4d 100644
--- a/romanisim/tests/test_image.py
+++ b/romanisim/tests/test_image.py
@@ -617,7 +617,7 @@ def test_reference_file_crds_match(level):
         rng=rng, psf_keywords=dict(nlambda=1))
 
     # Confirm that CRDS keyword was updated
-    assert im.meta.ref_file.crds.sw_version != '12.3.1'
+    assert im.meta.ref_file.crds.version != '12.3.1'
 
     if (level == 1):
         assert (type(im) is WfiScienceRaw)