diff --git a/.github/workflows/test_with_tox.yml b/.github/workflows/test_with_tox.yml
index 5a0f068..1c052e9 100644
--- a/.github/workflows/test_with_tox.yml
+++ b/.github/workflows/test_with_tox.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
       - uses: actions/checkout@v4
diff --git a/README.md b/README.md
index fa3b0ef..1329434 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ to a database that can be used in all kinds of multi-threaded environments.
 The suite supports DB-API 2 compliant database interfaces
 and the classic PyGreSQL interface.
 
-The current version 3.1.0 of DBUtils supports Python versions 3.7 to 3.12.
+The current version 3.1.0 of DBUtils supports Python versions 3.9 to 3.13.
 
 **Please have a look at the [changelog](https://webwareforpython.github.io/DBUtils/changelog.html), because there were some breaking changes in version 2.0.**
 
diff --git a/dbutils/__init__.py b/dbutils/__init__.py
index e503c5d..ba1b07c 100644
--- a/dbutils/__init__.py
+++ b/dbutils/__init__.py
@@ -2,7 +2,13 @@
 
 __all__ = [
     '__version__',
-    'simple_pooled_pg', 'steady_pg', 'pooled_pg', 'persistent_pg',
-    'simple_pooled_db', 'steady_db', 'pooled_db', 'persistent_db']
-
+    'persistent_db',
+    'persistent_pg',
+    'pooled_db',
+    'pooled_pg',
+    'simple_pooled_db',
+    'simple_pooled_pg',
+    'steady_db',
+    'steady_pg',
+]
 __version__ = '3.1.0'
diff --git a/docs/main.de.rst b/docs/main.de.rst
index ce97364..f45ca32 100644
--- a/docs/main.de.rst
+++ b/docs/main.de.rst
@@ -98,7 +98,7 @@ herunterzuladen und zu installieren::
 Anforderungen
 =============
 
-DBUtils unterstützt die Python_ Versionen 3.7 bis 3.12.
+DBUtils unterstützt die Python_ Versionen 3.9 bis 3.13.
 
 Die Module in der Variante für klassisches PyGreSQL benötigen PyGreSQL_
 Version 4.0 oder höher, während die Module in der allgemeinen Variante
diff --git a/docs/main.rst b/docs/main.rst
index 816ae80..aad29b8 100644
--- a/docs/main.rst
+++ b/docs/main.rst
@@ -95,7 +95,7 @@ It is even easier to download and install the package in one go using `pip`_::
 Requirements
 ============
 
-DBUtils supports Python_ versions 3.7 to 3.12.
+DBUtils supports Python_ versions 3.9 to 3.13.
 
 The modules in the classic PyGreSQL variant need PyGreSQL_ version 4.0
 or above, while the modules in the universal DB-API 2 variant run with
diff --git a/pyproject.toml b/pyproject.toml
index 02a8ff7..2a236f9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,12 +19,11 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.7",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Database",
   "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
   "Topic :: Software Development :: Libraries :: Python Modules",
@@ -60,7 +59,7 @@ include-package-data = false
 
 [tool.ruff]
 line-length = 79
-target-version = "py37"
+target-version = "py39"
 
 [tool.ruff.lint]
 select = [
diff --git a/tox.ini b/tox.ini
index 62aab9d..78a03fe 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py3{7,8,9,10,11,12}, ruff, manifest, docs, spell
+envlist = py3{9,10,11,12,13}, ruff, manifest, docs, spell
 
 [testenv]
 setenv =