diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index afbb69b..496bfc9 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -54,7 +54,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.11"
+          python-version: "3.14"
           cache: "pip"
           cache-dependency-path: pyproject.toml
 
diff --git a/.github/workflows/lint-and-tests.yml b/.github/workflows/lint-and-tests.yml
index fd97cbc..21b96d8 100644
--- a/.github/workflows/lint-and-tests.yml
+++ b/.github/workflows/lint-and-tests.yml
@@ -31,6 +31,7 @@ jobs:
           - "3.12"
           - "3.13"
           - "3.14"
+          - "3.15"
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 12e7a72..4fff429 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.13"
+          python-version: "3.14"
           cache: "pip"
           cache-dependency-path: pyproject.toml
 
diff --git a/pyproject.toml b/pyproject.toml
index a155ed7..c247faa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,6 +33,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Topic :: Documentation",
     "Topic :: Software Development :: Documentation",
     "Topic :: Text Processing :: Markup :: Markdown",
diff --git a/sonar-project.properties b/sonar-project.properties
index a38b5a2..909b5b2 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -6,7 +6,7 @@ sonar.projectKey=Guts_mkdocs-rss-plugin
 # only=main
 
 # Python versions
-sonar.python.version=3.10, 3.11, 3.12, 3.13, 3.14
+sonar.python.version=3.10, 3.11, 3.12, 3.13, 3.14, 3.15
 
 # Path is relative to the sonar-project.properties file. Replace "\" by "/" on Windows.
 sonar.sources=mkdocs_rss_plugin