diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 617d7281..a76e41ab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
-        python-version: ["3.12"]
+        python-version: ["3.13"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e895c36e..6be1eabf 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Setup Pages
         uses: actions/configure-pages@v5
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5cdedae5..78277cd5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - uses: ./.github/actions/build-win-exe
 
       - name: Upload release artifacts
diff --git a/poetry.lock b/poetry.lock
index a862b325..ea8e6c50 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
 [[package]]
 name = "altgraph"
@@ -2267,5 +2267,5 @@ watchmedo = ["PyYAML (>=3.10)"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = ">=3.12,<3.13"
-content-hash = "5f1f81b9b54cd4ef1f3fb878aaeac16c1a4a300df45d1f6e2f64f02ac8ee87b8"
+python-versions = ">=3.13,<3.14"
+content-hash = "c50de726abcfa51e9f2d8e3a6bc74bd45e2c460fd65b931f20c28247e56ee3f2"
diff --git a/pyproject.toml b/pyproject.toml
index a4525b3d..a85833fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.12,<3.13"
+python = ">=3.13,<3.14"
 PySide6 = "^6.8.1"
 matplotlib = "^3.10.0"
 platformdirs = "^4.2.2"
@@ -55,7 +55,7 @@ mkdocs-literate-nav = "^0.6.1"
 mkdocs-section-index = "^0.3.9"
 
 [tool.ruff]
-target-version = "py311"
+target-version = "py313"
 lint.select = [
     "D",   # pydocstyle
     "E",   # pycodestyle
diff --git a/tests/gui/measure_script/conftest.py b/tests/gui/measure_script/conftest.py
index 79f667c3..8f7797bc 100644
--- a/tests/gui/measure_script/conftest.py
+++ b/tests/gui/measure_script/conftest.py
@@ -41,6 +41,6 @@ def runner_measuring(
 @pytest.fixture
 def run_dialog(
     runner: ScriptRunner, subscribe_mock: MagicMock, qtbot: QtBot
-) -> Generator[ScriptRunDialog, None, None]:
+) -> Generator[ScriptRunDialog]:
     """Provides a ScriptRunDialog."""
     yield ScriptRunDialog(runner)