diff --git a/.cruft.json b/.cruft.json
index 8b0c480..82c636c 100644
--- a/.cruft.json
+++ b/.cruft.json
@@ -1,12 +1,12 @@
 {
   "template": "https://github.com/sunpy/package-template",
-  "commit": "7958151d0246956f1e95889e8e3fa5abc4a3a129",
+  "commit": "bea8060eef60df35f7df61d9db1d56b838bda01a",
   "checkout": null,
   "context": {
     "cookiecutter": {
       "package_name": "streamtracer",
       "module_name": "streamtracer",
-      "short_description": "Python wrapped fortran to calculate streamlines",
+      "short_description": "Python library to calculate streamlines",
       "author_name": "The SunPy Developers",
       "author_email": "sunpy@googlegroups.com",
       "project_url": "https://sunpy.org",
@@ -17,7 +17,7 @@
       "changelog_url": "https://docs.sunpy.org/projects/streamtracer/en/stable/whatsnew/changelog.html",
       "issue_tracker_url": "https://github.com/sunpy/streamtracer/issues",
       "license": "GNU GPL v3+",
-      "minimum_python_version": "3.10",
+      "minimum_python_version": "3.12",
       "use_compiled_extensions": "n",
       "enable_dynamic_dev_versions": "n",
       "include_example_code": "n",
@@ -32,7 +32,7 @@
         ".github/workflows/sub_package_update.yml"
       ],
       "_template": "https://github.com/sunpy/package-template",
-      "_commit": "7958151d0246956f1e95889e8e3fa5abc4a3a129"
+      "_commit": "bea8060eef60df35f7df61d9db1d56b838bda01a"
     }
   },
   "directory": null
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8675992..bbfba16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,7 +43,7 @@ jobs:
       coverage: codecov
       toxdeps: tox-pypi-filter
       envs: |
-        - linux: py314
+        - linux: py313
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
@@ -67,13 +67,13 @@ jobs:
       coverage: codecov
       toxdeps: tox-pypi-filter
       envs: |
-        - windows: py311
+        - linux: py314
+        - windows: py312
         - macos: py312
-        - linux: py310-oldestdeps
-        - linux: py312
-          runs-on: ubuntu-24.04-arm
-        - linux: py313-devdeps
+        - linux: py312-oldestdeps
+        - linux: py314-devdeps
         - linux: py313
+          runs-on: ubuntu-24.04-arm
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
@@ -108,12 +108,12 @@ jobs:
       test_command: 'pytest -p no:warnings --doctest-rst --pyargs streamtracer'
       submodules: false
       targets: |
-        - cp3{10,11,12,13,14}-manylinux_x86_64
-        - cp3{10,11,12,13,14}-musllinux_x86_64
-        - cp3{10,11,12,13,14}-macosx_x86_64
-        - cp3{10,11,12,13,14}-macosx_arm64
-        - cp3{10,11,12,13,14}-win_amd64
-        - target: cp3{10,11,12,13,14}-manylinux_aarch64
+        - cp3{12,13,14}-manylinux_x86_64
+        - cp3{12,13,14}-musllinux_x86_64
+        - cp3{12,13,14}-macosx_x86_64
+        - cp3{12,13,14}-macosx_arm64
+        - cp3{12,13,14}-win_amd64
+        - target: cp3{12,13,14}-manylinux_aarch64
           runs-on: ubuntu-24.04-arm
     secrets:
       pypi_token: ${{ secrets.pypi_token }}
diff --git a/.ruff.toml b/.ruff.toml
index e3927b8..c5b9068 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -34,8 +34,6 @@ select = [
 extend-ignore = [
   # pycodestyle (E, W)
   "E501", # ignore line length will use a formatter instead
-  # pyupgrade (UP)
-  "UP038", # Use | in isinstance - not compatible with models and is slower
   # pytest (PT)
   "PT001", # Always use pytest.fixture()
   "PT023", # Always use () on pytest decorators
diff --git a/README.md b/README.md
deleted file mode 100644
index 75024f9..0000000
--- a/README.md
+++ /dev/null
@@ -1,12 +0,0 @@
-# streamtracer
-
-Fast streamline tracing in python
-
-[![Documentation Status](https://readthedocs.org/projects/streamtracer/badge/?version=stable)](https://docs.sunpy.org/projects/streamtracer/en/stable/?badge=stable)
-[![Build Status](https://github.com/sunpy/streamtracer/actions/workflows/ci.yml/badge.svg)](https://github.com/sunpy/streamtracer/actions/workflows/ci.yml)
-[![codecov](https://codecov.io/gh/sunpy/streamtracer/graph/badge.svg?token=4AzS0q7VPY)](https://codecov.io/gh/sunpy/streamtracer)
-
-## Documentation
-
-For full documentation, including installation instructions, see
-https://docs.sunpy.org/projects/streamtracer
diff --git a/README.rst b/README.rst
new file mode 100644
index 0000000..d25772c
--- /dev/null
+++ b/README.rst
@@ -0,0 +1,18 @@
+streamtracer
+============
+
+Fast streamline tracing in python
+
+|Documentation Status| |Build Status| |codecov|
+
+Documentation
+-------------
+
+For full documentation, including installation instructions, see https://docs.sunpy.org/projects/streamtracer
+
+.. |Documentation Status| image:: https://readthedocs.org/projects/streamtracer/badge/?version=stable
+   :target: https://docs.sunpy.org/projects/streamtracer/en/stable/?badge=stable
+.. |Build Status| image:: https://github.com/sunpy/streamtracer/actions/workflows/ci.yml/badge.svg
+   :target: https://github.com/sunpy/streamtracer/actions/workflows/ci.yml
+.. |codecov| image:: https://codecov.io/gh/sunpy/streamtracer/graph/badge.svg?token=4AzS0q7VPY
+   :target: https://codecov.io/gh/sunpy/streamtracer
diff --git a/pyproject.toml b/pyproject.toml
index 718435a..8876800 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,9 +7,9 @@ build-backend = "maturin"
 [project]
 name = "streamtracer"
 description = "Python library to calculate streamlines"
-readme = { file = "README.md", content-type = "text/markdown" }
+requires-python = ">=3.12"
+readme = { file = "README.rst", content-type = "text/x-rst" }
 license = { file = "LICENSE" }
-requires-python = ">=3.10"
 authors = [
   {name = "The SunPy Developers", email="sunpy@googlegroups.com"},
   {name = "David Stansby"},
diff --git a/tox.ini b/tox.ini
index e079227..40c770a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,9 +3,9 @@ min_version = 4.0
 requires =
     tox-pypi-filter>=0.14
 envlist =
-    py{310,311,312,313}
-    py312-devdeps
-    py310-oldestdeps
+    py{312,313,314}
+    py314-devdeps
+    py312-oldestdeps
     codestyle
     build_docs