diff --git a/.copier-answers.yml b/.copier-answers.yml
index ef73fb9..bfc5ba0 100644
--- a/.copier-answers.yml
+++ b/.copier-answers.yml
@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier; NEVER EDIT MANUALLY
-_commit: 8cfdb1b
+_commit: ee9a09a
 _src_path: gh:scipp/copier_template
 description: Reflectometry data reduction for the European Spallation Source
 max_python: '3.12'
diff --git a/docs/conf.py b/docs/conf.py
index eb3cc4c..0f0474b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -29,6 +29,12 @@
     'nbsphinx',
     'myst_parser',
 ]
+try:
+    import sciline.sphinxext.domain_types  # noqa: F401
+
+    extensions.append('sciline.sphinxext.domain_types')
+except ModuleNotFoundError:
+    pass
 
 myst_enable_extensions = [
     "amsmath",
@@ -54,6 +60,7 @@
 intersphinx_mapping = {
     'python': ('https://docs.python.org/3', None),
     'numpy': ('https://numpy.org/doc/stable/', None),
+    'scipp': ('https://scipp.github.io/', None),
 }
 
 # autodocs includes everything, even irrelevant API internals. autosummary
@@ -73,6 +80,16 @@
 typehints_defaults = 'comma'
 typehints_use_rtype = False
 
+sciline_domain_types_prefix = 'essreflectometry'
+sciline_domain_types_aliases = {
+    'scipp._scipp.core.DataArray': 'scipp.DataArray',
+    'scipp._scipp.core.Dataset': 'scipp.Dataset',
+    'scipp._scipp.core.DType': 'scipp.DType',
+    'scipp._scipp.core.Unit': 'scipp.Unit',
+    'scipp._scipp.core.Variable': 'scipp.Variable',
+    'scipp.core.data_group.DataGroup': 'scipp.DataGroup',
+}
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
diff --git a/pyproject.toml b/pyproject.toml
index f09a9d7..8c1fbbc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,6 +54,7 @@ minversion = "7.0"
 addopts = """
 --strict-config
 --strict-markers
+--import-mode=importlib
 -ra
 -v
 """
diff --git a/tox.ini b/tox.ini
index a19c2f8..307a5a6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,8 +15,8 @@ commands = pytest
 [testenv:unpinned]
 description = Test with unpinned dependencies, as a user would install now.
 deps =
+  -r requirements/basetest.txt
   essreflectometry
-  pytest
 commands = pytest
 
 [testenv:docs]