diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b1e3aff..b7b8882 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,12 +16,12 @@ jobs:
             python-version: "3.11"
 
       # Pin ruff version to make sure we do not break our builds at the worst times
-      - name: Install Ruff 0.0.244
-        run: pip install ruff==0.0.244
+      - name: Install Ruff 0.5.1
+        run: pip install ruff==0.5.1
 
-      # Include `--format=github` to enable automatic inline annotations.
+      # Include `--output-format=github` to enable automatic inline annotations.
       - name: Run Ruff
-        run: ruff check --format=github .
+        run: ruff check --output-format=github .
 
   test:
     # name: Test (${{ matrix.python-version }}, ${{ matrix.os }})
@@ -33,7 +33,7 @@ jobs:
       fail-fast: false
       matrix:
         # os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     defaults:
       run:
diff --git a/pyproject.toml b/pyproject.toml
index 836c6d2..3dfc193 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,14 +21,6 @@ filterwarnings = [
 
 
 [tool.ruff]
-# Enable Pyflakes `E` and `F` codes by default.
-select = ["E", "F"]
-ignore = []
-
-# Allow autofix for all enabled rules (when `--fix`) is provided.
-# fixable = ["A", "B", "C", "D", "E", "F", "..."]
-# unfixable = []
-
 # Exclude a variety of commonly ignored directories.
 exclude = [
     ".eggs",
@@ -39,6 +31,15 @@ exclude = [
     "build",
     "dist",
 ]
-per-file-ignores = {}
+line-length = 120
 
-line-length = 120
\ No newline at end of file
+[tool.ruff.lint]
+# Enable Pyflakes `E` and `F` codes by default.
+select = ["E", "F"]
+ignore = []
+
+# Allow autofix for all enabled rules (when `--fix`) is provided.
+# fixable = ["A", "B", "C", "D", "E", "F", "..."]
+# unfixable = []
+
+per-file-ignores = {}
diff --git a/setup.py b/setup.py
index 58d342e..405e1f1 100644
--- a/setup.py
+++ b/setup.py
@@ -39,6 +39,7 @@ def readlocal(fname):
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
     'Topic :: Scientific/Engineering',
     'Topic :: Software Development :: Libraries',
 ]