diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index ea5d104e..e72411fd 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.13"
           cache: "pip"
           cache-dependency-path: requirements.*.txt
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d4e72a5f..2076d158 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 ---
 default_language_version:
-     python: python3.10
+     python: python3.13
 repos:
   - repo: https://github.com/adamchainz/django-upgrade
     rev: 1.24.0
@@ -14,13 +14,13 @@ repos:
       - id: black
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.4
+    rev: v0.11.7
     hooks:
       - id: ruff
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.15.2
+    rev: v3.19.1
     hooks:
       - id: pyupgrade
         args:
-          - --py310-plus
+          - --py313-plus
diff --git a/mypy-ratchet.json b/mypy-ratchet.json
index 55ea6bcd..15ec7ce4 100644
--- a/mypy-ratchet.json
+++ b/mypy-ratchet.json
@@ -2,7 +2,8 @@
   "cbv/importer/importers.py": {
     "Call to untyped function \"get_code\" in typed context  [no-untyped-call]": 1,
     "Function is missing a type annotation  [no-untyped-def]": 1,
-    "Function is missing a type annotation for one or more arguments  [no-untyped-def]": 12
+    "Function is missing a type annotation for one or more arguments  [no-untyped-def]": 12,
+    "Module has no attribute \"formatargspec\"  [attr-defined]": 1
   },
   "cbv/management/commands/cbv_dumpversion.py": {
     "Function is missing a type annotation  [no-untyped-def]": 1
diff --git a/pyproject.toml b/pyproject.toml
index d37213ce..38eb606e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ python_files = [
 extend-exclude = [
     ".env",
 ]
-target-version = "py310"
+target-version = "py313"
 
 [tool.ruff.lint]
 extend-select = [
diff --git a/requirements.dev.txt b/requirements.dev.txt
index bbedc536..68b3d4bf 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -6,8 +6,6 @@ coverage==7.8.0
     # via -r requirements.dev.in
 distlib==0.3.9
     # via virtualenv
-exceptiongroup==1.2.2
-    # via pytest
 factory-boy==3.2.0
     # via -r requirements.dev.in
 faker==9.3.1
@@ -52,19 +50,11 @@ six==1.16.0
     #   python-dateutil
 text-unidecode==1.3
     # via faker
-tomli==2.2.1
-    # via
-    #   -c requirements.prod.txt
-    #   coverage
-    #   mypy
-    #   pytest
 types-requests==2.27.7
     # via -r requirements.dev.in
 types-urllib3==1.26.7
     # via types-requests
 typing-extensions==4.13.2
-    # via
-    #   -c requirements.prod.txt
-    #   mypy
+    # via mypy
 virtualenv==20.30.0
     # via pre-commit
diff --git a/requirements.prod.txt b/requirements.prod.txt
index e4c1c188..81e9cca2 100644
--- a/requirements.prod.txt
+++ b/requirements.prod.txt
@@ -83,12 +83,6 @@ sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 sqlparse==0.5.3
     # via django
-tomli==2.2.1
-    # via sphinx
-typing-extensions==4.13.2
-    # via
-    #   asgiref
-    #   environs
 urllib3==2.4.0
     # via requests
 werkzeug==3.1.3