diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index d6ce091..1654ffc 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.12"]
+        python-version: ["3.13"]
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/formatting.yml b/.github/workflows/formatting.yml
index 67b5112..ba29e62 100644
--- a/.github/workflows/formatting.yml
+++ b/.github/workflows/formatting.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.12"]
+        python-version: ["3.13"]
         os: [ubuntu-latest]
         tool: ["black", "isort"]
     steps:
diff --git a/.github/workflows/packaging_test.yml b/.github/workflows/packaging_test.yml
index 449c7d6..18256c4 100644
--- a/.github/workflows/packaging_test.yml
+++ b/.github/workflows/packaging_test.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13"]
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index ccc981d..85ad5ba 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -17,7 +17,7 @@ jobs:
      runs-on: ${{ matrix.os }}
      strategy:
        matrix:
-         python-version: ["3.12"]
+         python-version: ["3.13"]
          os: [ubuntu-latest]
      steps:
        - uses: actions/checkout@v4
diff --git a/.github/workflows/pythonlint.yml b/.github/workflows/pythonlint.yml
index 957b009..a74c35f 100644
--- a/.github/workflows/pythonlint.yml
+++ b/.github/workflows/pythonlint.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.12"]
+        python-version: ["3.13"]
         os: [ubuntu-latest]
         linter-env: ["linting", "type_check"]
     steps:
diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 7991016..f8a15e9 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
diff --git a/pyproject.toml b/pyproject.toml
index a069cd5..086fad2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 dependencies = []     # add all the dependencies from requirements.in here, too
 dynamic = ["readme", "version"]
@@ -53,7 +54,7 @@ Homepage = "https://github.com/Hochfrequenz/python-generics"
 
 [tool.black]
 line-length = 120
-target_version = ["py39", "py310", "py311", "py312"]
+target_version = ["py39", "py310", "py311", "py312", "py313"]
 
 [tool.isort]
 line_length = 120