diff --git a/flopy4/mf6/utils/codegen/make.py b/flopy4/mf6/utils/codegen/make.py
index faeddc6a..ef412505 100644
--- a/flopy4/mf6/utils/codegen/make.py
+++ b/flopy4/mf6/utils/codegen/make.py
@@ -28,6 +28,7 @@
     Integer,
     Record,
     String,
+    admits,
 )
 from modflow_devtools.dfns.schema import (
     Keyword as KeywordField,
@@ -1063,9 +1064,10 @@ def _find_link(f: FieldV3) -> tuple[str, File, bool] | None:
     return None
 
 
-def _is_child_of(child: Component, parent: str) -> bool:
-    parents = child.parent if isinstance(child.parent, list) else [child.parent]
-    return parent in parents
+def _is_child_of(child: Component, parent: Component) -> bool:
+    """Whether a component may sit under another: its ``parent`` selector
+    names the other, or its type (``model``, ``package``) or subtype."""
+    return admits(child.parent, parent)
 
 
 def resolve_link(
@@ -1090,7 +1092,7 @@ def resolve_link(
         found += [
             n
             for n, c in dfns.items()
-            if sel in (c.type, getattr(c, "subtype", None)) and _is_child_of(c, component.name)
+            if sel in (c.type, getattr(c, "subtype", None)) and _is_child_of(c, component)
         ]
     if not found:
         raise ValueError(f"{component.name}.{path}: {link.component!r} matches no component")
@@ -1243,6 +1245,10 @@ def _model_package_specs(
     for t in targets:
         if not _has_module(t):
             continue
+        # utl-obs may sit under any model, but only one with observation
+        # types reads an OBS6 file (PRT has none yet)
+        if t == "utl-obs" and not component.observations:
+            continue
         ftype = dfns[t].ftype
         if ftype is None:
             raise ValueError(f"{component.name}: package {t} has no ftype")
@@ -1271,20 +1277,6 @@ def _model_package_specs(
                 generatable=True,
             )
         )
-    # A model with observation types reads one OBS6 file of its own. The
-    # DFNs don't list it among the model's packages: utl-obs's parent is any
-    # package, since boundary packages link to it too.
-    if component.observations and _has_module("utl-obs"):
-        imports.append(f"from {_component_module('utl-obs')} import Obs")
-        specs.append(
-            FieldSpec(
-                dfn_name="obs",
-                py_name="obs",
-                type_annotation="Optional[Obs]",
-                spec_call=f'child(block="{block_name}")',
-                generatable=True,
-            )
-        )
     return specs, imports
 
 
diff --git a/flopy4/mf6/utl/obs.py b/flopy4/mf6/utl/obs.py
index 5c313a1b..4f78c620 100644
--- a/flopy4/mf6/utl/obs.py
+++ b/flopy4/mf6/utl/obs.py
@@ -14,8 +14,6 @@
 class Obs(Package):
     dfn_name: ClassVar[str] = "utl-obs"
 
-    multi_package: ClassVar[bool] = True
-
     @attrs.define
     class Continuous(Item):
         obsname: Union[float, str] = field()
diff --git a/pixi.lock b/pixi.lock
index 00dce214..4aec84d5 100644
--- a/pixi.lock
+++ b/pixi.lock
@@ -106,7 +106,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.13-9_cp313.conda
       - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2026c-h151e31d_0.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/70/746ab7140121dcf04bade9ab7d2e65b6d5eb5b23bb7dc04b7ad22742ca0f/xugrid-0.15.3-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/09/4e/23e0009b6d5d415c223ea38fcf1e38dc9b0fc6d3ff15b5c5090dcc1f6d88/sparse-0.19.2-py2.py3-none-any.whl
@@ -255,7 +255,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-64/tk-8.6.13-ha6c374e_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-64/zstd-1.5.7-hbc1a06c_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/06/b823a7e818c756d9a7123ba2cda7d07bc2dd32835648d1a7b7b7a05d848d/tomli-2.4.1-cp313-cp313-macosx_10_13_x86_64.whl
       - pypi: https://files.pythonhosted.org/packages/07/70/746ab7140121dcf04bade9ab7d2e65b6d5eb5b23bb7dc04b7ad22742ca0f/xugrid-0.15.3-py3-none-any.whl
@@ -404,7 +404,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/tk-8.6.13-hbeba79b_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hf451053_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/70/746ab7140121dcf04bade9ab7d2e65b6d5eb5b23bb7dc04b7ad22742ca0f/xugrid-0.15.3-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/09/4e/23e0009b6d5d415c223ea38fcf1e38dc9b0fc6d3ff15b5c5090dcc1f6d88/sparse-0.19.2-py2.py3-none-any.whl
@@ -547,7 +547,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/win-64/vcomp14-14.51.36247-habf1de7_41.conda
       - conda: https://conda.anaconda.org/conda-forge/win-64/zstd-1.5.7-h534d264_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/05/73/c4abe620b841b6b791f2edc248f556900667a5a1cf023a6646967ae98335/markupsafe-3.0.3-cp313-cp313-win_amd64.whl
       - pypi: https://files.pythonhosted.org/packages/07/70/746ab7140121dcf04bade9ab7d2e65b6d5eb5b23bb7dc04b7ad22742ca0f/xugrid-0.15.3-py3-none-any.whl
@@ -709,7 +709,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.11-9_cp311.conda
       - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2026c-h151e31d_0.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/08/9c41fb51ab5b43eb21674aff13df270e8ba6c4b29c8624e328dc7a9482af/distlib-0.4.3-py2.py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/36/ecc85bc96c273dc8a11273ed4782272975e6338d4a3e9228621175edf0e3/jaraco_functools-4.6.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
@@ -987,7 +987,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-64/tk-8.6.13-ha6c374e_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-64/zstd-1.5.7-hbc1a06c_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/08/9c41fb51ab5b43eb21674aff13df270e8ba6c4b29c8624e328dc7a9482af/distlib-0.4.3-py2.py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/36/ecc85bc96c273dc8a11273ed4782272975e6338d4a3e9228621175edf0e3/jaraco_functools-4.6.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
@@ -1263,7 +1263,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/tk-8.6.13-hbeba79b_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hf451053_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/08/9c41fb51ab5b43eb21674aff13df270e8ba6c4b29c8624e328dc7a9482af/distlib-0.4.3-py2.py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/36/ecc85bc96c273dc8a11273ed4782272975e6338d4a3e9228621175edf0e3/jaraco_functools-4.6.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
@@ -1533,7 +1533,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/win-64/vcomp14-14.51.36247-habf1de7_41.conda
       - conda: https://conda.anaconda.org/conda-forge/win-64/zstd-1.5.7-h534d264_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/08/9c41fb51ab5b43eb21674aff13df270e8ba6c4b29c8624e328dc7a9482af/distlib-0.4.3-py2.py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/36/ecc85bc96c273dc8a11273ed4782272975e6338d4a3e9228621175edf0e3/jaraco_functools-4.6.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
@@ -1822,7 +1822,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.11-9_cp311.conda
       - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2026c-h151e31d_0.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/01/f9/575c8d760eae1fc99651b7cc5efd96ad5379ca4d6b53750b0fb4fe983f34/imagesize-2.0.1-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
@@ -2089,7 +2089,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-64/tk-8.6.13-ha6c374e_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-64/zstd-1.5.7-hbc1a06c_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/01/f9/575c8d760eae1fc99651b7cc5efd96ad5379ca4d6b53750b0fb4fe983f34/imagesize-2.0.1-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
@@ -2357,7 +2357,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/tk-8.6.13-hbeba79b_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hf451053_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/01/f9/575c8d760eae1fc99651b7cc5efd96ad5379ca4d6b53750b0fb4fe983f34/imagesize-2.0.1-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
@@ -2618,7 +2618,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/win-64/vcomp14-14.51.36247-habf1de7_41.conda
       - conda: https://conda.anaconda.org/conda-forge/win-64/zstd-1.5.7-h534d264_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/01/f9/575c8d760eae1fc99651b7cc5efd96ad5379ca4d6b53750b0fb4fe983f34/imagesize-2.0.1-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
@@ -2898,7 +2898,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.11-9_cp311.conda
       - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2026c-h151e31d_0.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl
@@ -3143,7 +3143,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-64/tk-8.6.13-ha6c374e_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-64/zstd-1.5.7-hbc1a06c_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl
@@ -3389,7 +3389,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/tk-8.6.13-hbeba79b_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hf451053_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/90/67bd7260b4ea9b8b20b4f58afef6c223ecb3abf368eb4ec5bc2cdef81b49/pyproj-3.7.2.tar.gz
@@ -3629,7 +3629,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/win-64/vcomp14-14.51.36247-habf1de7_41.conda
       - conda: https://conda.anaconda.org/conda-forge/win-64/zstd-1.5.7-h534d264_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl
@@ -3887,7 +3887,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.12-9_cp312.conda
       - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2026c-h151e31d_0.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/8f/d2f3f532616be4d06c316ef119683e832bd3d41e112bf3a88f4151c95b17/rpds_py-2026.6.3-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
@@ -4129,7 +4129,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-64/tk-8.6.13-ha6c374e_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-64/zstd-1.5.7-hbc1a06c_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl
@@ -4372,7 +4372,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/tk-8.6.13-hbeba79b_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hf451053_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/05/4a/78c6285577c375e7cf27277ea8ee6961224327f1e1a0c44af5f17f23635c/scipy-1.18.1-cp312-cp312-macosx_12_0_arm64.whl
@@ -4609,7 +4609,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/win-64/vcomp14-14.51.36247-habf1de7_41.conda
       - conda: https://conda.anaconda.org/conda-forge/win-64/zstd-1.5.7-h534d264_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/8b/b83f7780dad22e0878e4c7bd9158ebd24ed12bc3d5e3a471cd0576f77ded/pyzmq-27.2.0-cp312-abi3-win_amd64.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/3a/f0ee4d4dde9d3b69dedf1b5f74e7a40017046d55052d173e418c6a94f960/rpds_py-2026.6.3-cp312-cp312-win_amd64.whl
@@ -4863,7 +4863,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.13-9_cp313.conda
       - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2026c-h151e31d_0.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl
@@ -5107,7 +5107,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-64/tk-8.6.13-ha6c374e_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-64/zstd-1.5.7-hbc1a06c_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/06/b823a7e818c756d9a7123ba2cda7d07bc2dd32835648d1a7b7b7a05d848d/tomli-2.4.1-cp313-cp313-macosx_10_13_x86_64.whl
@@ -5352,7 +5352,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/tk-8.6.13-hbeba79b_4.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hf451053_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl
@@ -5591,7 +5591,7 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/win-64/vcomp14-14.51.36247-habf1de7_41.conda
       - conda: https://conda.anaconda.org/conda-forge/win-64/zstd-1.5.7-h534d264_7.conda
       - pypi: ./
-      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+      - pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
       - pypi: https://files.pythonhosted.org/packages/02/8b/b83f7780dad22e0878e4c7bd9158ebd24ed12bc3d5e3a471cd0576f77ded/pyzmq-27.2.0-cp312-abi3-win_amd64.whl
       - pypi: https://files.pythonhosted.org/packages/02/be/5d2d47b1fb58943194fb59dcf222f7c4e35122ec0ffe8c36e18b5d728f0b/tblib-3.2.2-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl
@@ -10852,7 +10852,7 @@ packages:
   - build ; extra == 'build'
   - twine ; extra == 'build'
   requires_python: '>=3.11,<3.14'
-- pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#805dc6f8be0f2a35180f407881c0234bc035ca6a
+- pypi: git+https://github.com/MODFLOW-ORG/modflow-devtools.git#8fb5dd848088f755285c9de46a54e4b47d47fd0a
   name: modflow-devtools
   version: 1.10.0.dev1
   requires_dist: