diff --git a/CHANGES.rst b/CHANGES.rst
index 4e4aeab..39cb568 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,7 @@
 1.3.1 (Unreleased)
 ==================
 
+- Move from .write to .save on images for new JWST version
 - Fix occasional all-NaN issue in ``single_tile_destripe``
 - Fix backgrounds being wrongly moved in ``lv1_step``
 - Moved ``astrometric_align`` to a combined step, to avoid list ordering issues
diff --git a/pjpipe/astrometric_align/astrometric_align_step.py b/pjpipe/astrometric_align/astrometric_align_step.py
index 3ab4fe1..49e17cf 100644
--- a/pjpipe/astrometric_align/astrometric_align_step.py
+++ b/pjpipe/astrometric_align/astrometric_align_step.py
@@ -516,7 +516,7 @@ def align_to_aligned_image(
                     # Update WCS info
                     updated_im = lv3_update_fits_wcsinfo(im=target_im, hdr=target_hdr)
 
-                    updated_im.write(aligned_file)
+                    updated_im.save(aligned_file)
 
             # Also apply this to each individual crf file
             crf_files = glob.glob(
@@ -776,7 +776,7 @@ def tweakreg_align(
                 hdr=target_hdr,
             )
 
-            target_im.write(aligned_file)
+            target_im.save(aligned_file)
 
             # Also apply this to each individual crf file
             crf_files = glob.glob(