diff --git a/nibabies/workflows/anatomical/registration.py b/nibabies/workflows/anatomical/registration.py
index 77be3371..a405c010 100644
--- a/nibabies/workflows/anatomical/registration.py
+++ b/nibabies/workflows/anatomical/registration.py
@@ -405,6 +405,7 @@ def init_concat_registrations_wf(
         ),
         name='intermed_xfms',
         iterfield=['std'],
+        overwrite=True,  # otherwise, cache hits but not guarantee files are present on reruns
         run_without_submitting=True,
     )
 
diff --git a/pyproject.toml b/pyproject.toml
index 5c5966c8..3802b8e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,8 @@ dependencies = [
     "nipype >= 1.8.5",
     "nireports >= 23.2.0",
     "nitime",
-    "nitransforms >= 24.1.1",
+#    "nitransforms >= 24.1.1",
+    "nitransforms @ git+https://github.com/nipy/nitransforms.git@enh/itk-displacement-field",
     "niworkflows >= 1.12.1",
     "numpy >= 1.21.0",
     "packaging",