diff --git a/flopy4/mf6/gwf/chd.py b/flopy4/mf6/gwf/chd.py
index 925294f7..e174ccd8 100644
--- a/flopy4/mf6/gwf/chd.py
+++ b/flopy4/mf6/gwf/chd.py
@@ -10,10 +10,8 @@
 from flopy4.mf6 import Package
 
 
-@xattree
+@xattree(multi="list")
 class Chd(Package):
-    multi = True
-
     @define(slots=False)
     class Steps:
         all: bool = field()
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       - pypi: https://files.pythonhosted.org/packages/80/ab/11a76c1e2126084fde2639514f24e6111b789b0bfa4fc6264a8975c7e1f1/zict-3.0.0-py2.py3-none-any.whl
@@ -2402,7 +2402,7 @@ environments:
       - pypi: https://files.pythonhosted.org/packages/21/02/88b65cc394961a60c43c70517066b6b679738caf78506a5da7b88ffcb643/widgetsnbextension-4.0.13-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/c0/ef/8be90a0b7e73c32e550c73cfb2fa09db62234227ece47b0e80a05073b375/wrapt-1.17.2-cp313-cp313-macosx_10_13_x86_64.whl
       - pypi: https://files.pythonhosted.org/packages/40/ed/1c4631ad5909487ea8907cd326d9855c2207d790e3936e77bda48173b8be/xarray-2024.11.0-py3-none-any.whl
-      - pypi: git+https://github.com/modflowpy/xattree#df08111cdb9cf20f1671e0c243d0b75950a5c062
+      - pypi: git+https://github.com/modflowpy/xattree#3c2460d069683989ab30d2a7741cf98792af129a
       - pypi: https://files.pythonhosted.org/packages/9a/6e/49408735dae940a0c1c225c6b908fd83bd6e3f5fae120f865754e72f78cb/xyzservices-2025.1.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/46/e9/be8b28e9e9d572b2f983f1ce2d6524f86df46135f007aba6e1c47f94d6fd/zarr-3.0.4-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/80/ab/11a76c1e2126084fde2639514f24e6111b789b0bfa4fc6264a8975c7e1f1/zict-3.0.0-py2.py3-none-any.whl
@@ -2586,7 +2586,7 @@ environments:
       - pypi: https://files.pythonhosted.org/packages/21/02/88b65cc394961a60c43c70517066b6b679738caf78506a5da7b88ffcb643/widgetsnbextension-4.0.13-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/bf/ae/743f16ef8c2e3628df3ddfd652b7d4c555d12c84b53f3d8218498f4ade9b/wrapt-1.17.2-cp313-cp313-win_amd64.whl
       - pypi: https://files.pythonhosted.org/packages/40/ed/1c4631ad5909487ea8907cd326d9855c2207d790e3936e77bda48173b8be/xarray-2024.11.0-py3-none-any.whl
-      - pypi: git+https://github.com/modflowpy/xattree#df08111cdb9cf20f1671e0c243d0b75950a5c062
+      - pypi: git+https://github.com/modflowpy/xattree#3c2460d069683989ab30d2a7741cf98792af129a
       - pypi: https://files.pythonhosted.org/packages/9a/6e/49408735dae940a0c1c225c6b908fd83bd6e3f5fae120f865754e72f78cb/xyzservices-2025.1.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/46/e9/be8b28e9e9d572b2f983f1ce2d6524f86df46135f007aba6e1c47f94d6fd/zarr-3.0.4-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/80/ab/11a76c1e2126084fde2639514f24e6111b789b0bfa4fc6264a8975c7e1f1/zict-3.0.0-py2.py3-none-any.whl
@@ -9780,7 +9780,7 @@ packages:
   - nc-time-axis ; extra == 'viz'
   - seaborn ; extra == 'viz'
   requires_python: '>=3.10'
-- pypi: git+https://github.com/modflowpy/xattree#df08111cdb9cf20f1671e0c243d0b75950a5c062
+- pypi: git+https://github.com/modflowpy/xattree#3c2460d069683989ab30d2a7741cf98792af129a
   name: xattree
   version: 0.1.0.dev0
   requires_dist:
diff --git a/test/test_component.py b/test/test_component.py
index d6c34bb9..871800c4 100644
--- a/test/test_component.py
+++ b/test/test_component.py
@@ -20,7 +20,7 @@ def test_init_empty_sim():
     sim = Simulation()
 
 
-def test_init_gwf():
+def test_init_gwf_explicit_dims():
     time = ModelTime(perlen=[1.0], nstp=[1], tsmult=[1.0])
     grid = StructuredGrid(nlay=1, nrow=2, ncol=2)
     dims = {
@@ -42,8 +42,6 @@ def test_init_gwf():
         oc=oc,
         npf=npf,
         chd=[chd],
-        # TODO get dims/coords from dis
-        # and remove explicit arg below
         dims=dims,
     )
 
@@ -57,7 +55,24 @@ def test_init_gwf():
     assert gwf.data.ic is ic.data
     assert gwf.data.oc is oc.data
     assert gwf.data.npf is npf.data
-    assert gwf.data.chd_0 is chd.data
+    assert np.array_equal(npf.k, np.ones(4))
+    assert np.array_equal(npf.data.k, np.ones(4))
+
+
+def test_init_gwf_dis_first():
+    dis = Dis()
+    gwf = Gwf(dis=dis)
+    ic = Ic(parent=gwf)
+    oc = Oc(parent=gwf, strict=False)
+    npf = Npf(parent=gwf)
+    chd = Chd(parent=gwf, strict=False)
+
+    assert isinstance(gwf.data, DataTree)
+    assert gwf.dis is dis
+    assert gwf.ic is ic
+    assert gwf.oc is oc
+    assert gwf.npf is npf
+    assert gwf.chd[0] is chd
     assert np.array_equal(npf.k, np.ones(4))
     assert np.array_equal(npf.data.k, np.ones(4))
 
@@ -84,8 +99,6 @@ def test_init_sim():
         oc=oc,
         npf=npf,
         chd=[chd],
-        # TODO get dims/coords from dis
-        # and remove explicit arg below
         dims=dims,
     )
     tdis = Tdis(dims=dims)
diff --git a/uv.lock b/uv.lock
index 6d04f1c9..b35c0460 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3284,7 +3284,7 @@ parallel = [
 [[package]]
 name = "xattree"
 version = "0.1.0.dev0"
-source = { git = "https://github.com/modflowpy/xattree.git#df08111cdb9cf20f1671e0c243d0b75950a5c062" }
+source = { git = "https://github.com/modflowpy/xattree.git#3c2460d069683989ab30d2a7741cf98792af129a" }
 dependencies = [
     { name = "attrs" },
     { name = "beartype" },