diff --git a/.gitea/workflows/tests.yml b/.gitea/workflows/tests.yml
index 8696afe..d7f4900 100644
--- a/.gitea/workflows/tests.yml
+++ b/.gitea/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/pyproject.toml b/pyproject.toml
index 12d01e7..0b0e49f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ authors = [{ name = "Denis Lehmann" }]
 maintainers = [{ name = "Profitroll" }]
 description = "A colorful wallpaper generator"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = { text = "GPL3" }
 classifiers = [
     "Development Status :: 3 - Alpha",
@@ -17,10 +17,10 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "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 :: Software Development :: Libraries :: Python Modules",
     "Topic :: Utilities",
 ]
@@ -43,7 +43,7 @@ dev = { file = "requirements/dev.txt" }
 where = ["src"]
 
 [tool.black]
-target-version = ['py39', 'py310', 'py311', 'py312']
+target-version = ['py310', 'py311', 'py312', 'py313']
 
 [tool.isort]
 profile = "black"
@@ -61,7 +61,7 @@ strict = true
 show_error_codes = true
 
 [tool.pylint.main]
-py-version = 3.9
+py-version = 3.10
 
 [tool.coverage.run]
 source = ["huepaper"]
diff --git a/tox.ini b/tox.ini
index 31e56bc..d791244 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,14 @@
 [tox]
-minversion = 3.9.0
-envlist = py39, py310, py311, py312
+minversion = 3.10.0
+envlist = py310, py311, py312, py313
 isolated_build = true
 
 [gh-actions]
-python = 
-    3.9: py39
+python =
     3.10: py310
     3.11: py311
     3.12: py312
+    3.13: py313
 
 [testenv]
 setenv =