diff --git a/nibabies/workflows/anatomical/resampling.py b/nibabies/workflows/anatomical/resampling.py
index 16e2870c..410927a9 100644
--- a/nibabies/workflows/anatomical/resampling.py
+++ b/nibabies/workflows/anatomical/resampling.py
@@ -5,7 +5,7 @@
 import templateflow.api as tf
 from niworkflows.engine.workflows import LiterateWorkflow
 from smriprep.interfaces.workbench import SurfaceResample
-from smriprep.workflows.surfaces import _collate, init_morph_grayords_wf
+from smriprep.workflows.surfaces import init_morph_grayords_wf
 
 from nibabies.config import DEFAULT_MEMORY_MIN_GB
 from nibabies.data import load as load_data
@@ -296,3 +296,7 @@ def _get_surf(surfaces, name, mult=1):
 
 def _triple(in_list):
     return in_list * 3
+
+
+def _collate(files):
+    return [files[i : i + 2] for i in range(0, len(files), 2)]
diff --git a/pyproject.toml b/pyproject.toml
index 45c68016..2c6fd2c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
     "pybids >= 0.15.0",
     "requests",
     "SimpleITK",
-    "sdcflows @ git+https://github.com/nipreps/sdcflows.git@master",
+    "sdcflows @ git+https://github.com/nipreps/sdcflows.git@main",
     "smriprep >= 0.17.0",
     "tedana >= 23.0.2",
     "templateflow >= 24.2.0",