diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa41d2a..d9b88c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ CalVer, `<year>.<month>.<patch>`, mirroring the `uxarray` release they were
 built against; see `docs/release.md`. Versions through `0.3.1` were SemVer.
 
 ## Unreleased
+
+## 2026.9.0 — 2026-09-12
 ### Added
 - YAC remapping is reachable. `docs/ucar.md` has said since the endpoint was
   named `ucar-uxarray-yac` that YAC "enables conservative remapping", and the
diff --git a/conda/recipe/meta.yaml b/conda/recipe/meta.yaml
index 65a5767..d8d539c 100644
--- a/conda/recipe/meta.yaml
+++ b/conda/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "uxarray-mcp" %}
-{% set version = "0.3.1" %}
+{% set version = "2026.9.0" %}
 {% set python_min = "3.12" %}
 
 package:
@@ -8,7 +8,7 @@ package:
 
 source:
   url: https://pypi.org/packages/source/u/uxarray-mcp/uxarray_mcp-{{ version }}.tar.gz
-  sha256: 4331dbd8b1577b596391fdfe74f81d617898ecea13ae168f06e44f5e970a598f
+  sha256: 1c2ab5cc9c40f51acacbfea65667050478816ebdc5768c98cfd2c3f570cb5093
 
 build:
   noarch: python
diff --git a/pyproject.toml b/pyproject.toml
index d8a14c0..5183b8b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "uxarray-mcp"
-version = "0.3.1"
+version = "2026.9.0"
 description = "MCP server for analyzing unstructured meshes with UXarray"
 readme = "README.md"
 keywords = ["uxarray", "mcp", "unstructured grids", "scientific computing", "globus compute"]
@@ -60,7 +60,7 @@ dependencies = [
     # floor we actually declare, and had failed on it every run since
     # 2026-08-10.
     "pyyaml>=6.0.1",
-    "uxarray>=2026.9.0",
+    "uxarray>=2026.9.0,<2026.10",
 ]
 
 [project.optional-dependencies]
diff --git a/src/uxarray_mcp/__init__.py b/src/uxarray_mcp/__init__.py
index d2c86e2..c170486 100644
--- a/src/uxarray_mcp/__init__.py
+++ b/src/uxarray_mcp/__init__.py
@@ -3,4 +3,4 @@
 from uxarray_mcp.tools import inspect_mesh
 
 __all__ = ["inspect_mesh"]
-__version__ = "0.3.1"
+__version__ = "2026.9.0"
diff --git a/uv.lock b/uv.lock
index de19a0a..4cb8b9a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4127,7 +4127,7 @@ wheels = [
 
 [[package]]
 name = "uxarray-mcp"
-version = "0.3.1"
+version = "2026.9.0"
 source = { editable = "." }
 dependencies = [
     { name = "holoviews" },
@@ -4183,7 +4183,7 @@ requires-dist = [
     { name = "toolregistry", specifier = ">=0.16.0" },
     { name = "toolregistry-server", extras = ["mcp"], specifier = ">=0.5.0" },
     { name = "toolregistry-server", extras = ["openapi"], marker = "extra == 'openapi'", specifier = ">=0.5.0" },
-    { name = "uxarray", specifier = ">=2026.9.0" },
+    { name = "uxarray", specifier = ">=2026.9.0,<2026.10" },
 ]
 provides-extras = ["openapi", "hpc", "transfer", "docs"]