diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d473da9..071f0b26 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,6 +37,7 @@ jobs:
         - "3.9"
         - "3.10"
         - "3.11"
+        - "3.12"
     name: Check Python ${{ matrix.python-version }}
     steps:
     - uses: actions/checkout@v4
@@ -44,6 +45,7 @@ jobs:
     - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
 
     - name: Requirements check
       run: python -m pip list
@@ -55,9 +57,9 @@ jobs:
       run: python -m pytest
 
     - name: Install plotting requirements too
-      if: matrix.python-version != '3.10'
+      if: matrix.python-version != '3.12'
       run: python -m pip install -e ".[test,plot]"
 
     - name: Test plotting too
-      if: matrix.python-version != '3.10'
+      if: matrix.python-version != '3.12'
       run: python -m pytest --mpl
diff --git a/pyproject.toml b/pyproject.toml
index 26b88cc6..4c5505ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",
     "Topic :: Scientific/Engineering :: Information Analysis",
     "Topic :: Scientific/Engineering :: Mathematics",
@@ -185,7 +186,7 @@ messages_control.disable = [
 [tool.ruff]
 select = [
   "E", "F", "W", # flake8
-  "B",  "B904",  # flake8-bugbear
+  "B",           # flake8-bugbear
   "I",           # isort
   "ARG",         # flake8-unused-arguments
   "C4",          # flake8-comprehensions