diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b3ddcff..595242ed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,10 +51,10 @@ jobs:
             fail-fast: false
         steps:
             - uses: actions/checkout@v4
-            - name: Set up Python 3.12
+            - name: Set up Python 3.13
               uses: actions/setup-python@v5
               with:
-                  python-version: 3.12
+                  python-version: 3.13
             - name: Install dependencies
               run: |
                   python -m pip install --upgrade pip setuptools tox
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5efdce81..2ab0c508 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 ---
 default_language_version:
-    python: python3.12
+    python: python3.13
 # pyright requires internet connection to run, which the pre-commit ci app doesn't have.
 # it instead runs in a github action
 # check-release-changelog is run as a dedicated job
diff --git a/pyproject.toml b/pyproject.toml
index b48579e3..30bbbd85 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,8 @@ ignore-words-list = 'spawnve'
 [tool.isort]
 only_modified = true
 profile = "black"
-py_version = "311"
+# isort is slow to release official support for new python versions
+py_version = "312"
 quiet = true
 skip_gitignore = true
 skip_glob = "tests/*_files/*"
@@ -32,7 +33,7 @@ warn_unused_ignores = false
 
 [tool.pyright]
 exclude = ["**/node_modules", "**/__pycache__", "**/.*", "tests/eval_files/*", "tests/autofix_files/*"]  # TODO: fix errors in eval/autofix files
-pythonVersion = "3.12"
+pythonVersion = "3.13"
 reportCallInDefaultInitializer = true
 reportImplicitStringConcatenation = false  # black generates implicit string concats
 reportMissingSuperCall = true