diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index a93c83d..683b7fd 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "windows-2019"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.6'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-beta.1'
 
     strategy:
       fail-fast: False
@@ -35,7 +35,7 @@ jobs:
           - {python-version: "3.10", testenvs: "py310-click{7,8},build", experimental: False}
           - {python-version: "3.11", testenvs: "py311-click{7,8},build", experimental: False}
           - {python-version: "3.12", testenvs: "py312-click{7,8},build", experimental: False}
-          - {python-version: "3.13.0-alpha.6", testenvs: "py313-dev-click{7,8},build", experimental: True}
+          - {python-version: "3.13.0-beta.1", testenvs: "py313-dev-click{7,8},build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_linux.yml b/.github/workflows/python_ci_linux.yml
index 8842838..838e490 100644
--- a/.github/workflows/python_ci_linux.yml
+++ b/.github/workflows/python_ci_linux.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: "ubuntu-20.04"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.6'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-beta.1'
 
     strategy:
       fail-fast: False
@@ -36,7 +36,7 @@ jobs:
           - {python-version: "3.10", testenvs: "py310-click{7,8},build", experimental: False}
           - {python-version: "3.11", testenvs: "py311-click{7,8},build", experimental: False}
           - {python-version: "3.12", testenvs: "py312-click{7,8},build", experimental: False}
-          - {python-version: "3.13.0-alpha.6", testenvs: "py313-dev-click{7,8},build", experimental: True}
+          - {python-version: "3.13.0-beta.1", testenvs: "py313-dev-click{7,8},build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index f2f378a..c99cd9d 100644
--- a/.github/workflows/python_ci_macos.yml
+++ b/.github/workflows/python_ci_macos.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "macos-13"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.6'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-beta.1'
 
     strategy:
       fail-fast: False
@@ -35,7 +35,7 @@ jobs:
           - {python-version: "3.10", testenvs: "py310-click{7,8},build", experimental: False}
           - {python-version: "3.11", testenvs: "py311-click{7,8},build", experimental: False}
           - {python-version: "3.12", testenvs: "py312-click{7,8},build", experimental: False}
-          - {python-version: "3.13.0-alpha.6", testenvs: "py313-dev-click{7,8},build", experimental: True}
+          - {python-version: "3.13.0-beta.1", testenvs: "py313-dev-click{7,8},build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/pyproject.toml b/pyproject.toml
index 8e035b9..e3e44d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,13 +10,13 @@ readme = "README.rst"
 keywords = [ "docs", "formatting", "linting",]
 dynamic = [ "requires-python", "classifiers", "dependencies",]
 
+[project.license]
+file = "LICENSE"
+
 [[project.authors]]
 name = "Dominic Davis-Foster"
 email = "dominic@davis-foster.co.uk"
 
-[project.license]
-file = "LICENSE"
-
 [project.urls]
 Homepage = "https://github.com/python-formate/snippet-fmt"
 "Issue Tracker" = "https://github.com/python-formate/snippet-fmt/issues"
diff --git a/tox.ini b/tox.ini
index c46e2e8..e7041d1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -75,6 +75,7 @@ setenv =
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
+    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 
 [testenv:py312]
 setenv =
@@ -243,3 +244,4 @@ setenv =
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
+    UNSAFE_PYO3_SKIP_VERSION_CHECK=1