diff --git a/.github/workflows/pypipublish.yaml b/.github/workflows/pypipublish.yaml
index ac41182f..97313f20 100644
--- a/.github/workflows/pypipublish.yaml
+++ b/.github/workflows/pypipublish.yaml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: 3.9
+          python-version: 3.13
 
       - name: Install dependencies
         run: |
@@ -50,7 +50,7 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: '3.10'
+          python-version: '3.13'
       - uses: actions/download-artifact@v4
         with:
           name: releases
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index dc54ff47..79c9f6cc 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
 
@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.12"]  # Only Python 3.12
+        python-version: ["3.13"]
     steps:
       - uses: actions/checkout@v4
 
diff --git a/docs/environment.yml b/docs/environment.yml
index c0b243db..44aeb84d 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
-  - python=3.12
+  - python=3.13
   - sphinx
   - nbsphinx
   - sphinx-book-theme
diff --git a/pyproject.toml b/pyproject.toml
index 9b7cc129..e5a96020 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",
 ]
 requires-python = ">=3.10"
 dependencies = [