diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6e96013..7afd251 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v1
@@ -33,27 +33,9 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - uses: actions/cache@v1
-        id: depcache
-        with:
-          path: deps
-          key: requirements-pip-${{ matrix.python-version }}-${{ hashFiles('requirements.txt') }}
-
-      - name: Download dependencies
-        if: steps.depcache.outputs.cache-hit != 'true'
-        run: |
-          pip download --dest=deps -r requirements.txt
-
       - name: Install dependencies
         run: |
-          PYVER=`python -V 2>&1`
-
-          if [ "${PYVER:0:-2}" == "Python 3.10" ]; then
-            pip install -r requirements.txt
-          else
-            pip install -U --no-index --find-links=deps deps/*
-          fi
-
+          pip install -r requirements.txt
           pip install black isort
 
       - name: Run tests
@@ -84,18 +66,18 @@ jobs:
 
       - name: Install distribution dependencies
         run: pip install build
-        if: matrix.python-version == 3.11
+        if: matrix.python-version == 3.12
 
       - name: Create distribution package
         run: python -m build
-        if: matrix.python-version == 3.11
+        if: matrix.python-version == 3.12
 
       - name: Upload distribution package
         uses: actions/upload-artifact@master
         with:
           name: dist
           path: dist
-        if: matrix.python-version == 3.11
+        if: matrix.python-version == 3.12
 
   publish:
     runs-on: ubuntu-latest
@@ -108,10 +90,10 @@ jobs:
           name: dist
           path: dist
 
-      - name: Use Python 3.11
+      - name: Use Python 3.12
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Install dependencies
         run: |
diff --git a/.gitignore b/.gitignore
index c8496ae..5181ab0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ __pycache__
 _test_files/
 dist/
 venv312/
+.local
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5387ada..7cf86b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.0] - 2025-01-18
+
+- Add additionalProperties to Schema object, by @tyzhnenko.
+- Upgrade package MarkupSafe to 3.0.1, by @stollero.
+- Remove Python 3.8 from the build matrix (EOF at the end of 2024).
+
 ## [1.0.9] - 2023-11-20
 - Adds support for Python 3.12.
 - Adds `MarkupSafe` among required dependencies (and not optional).
diff --git a/openapidocs/__init__.py b/openapidocs/__init__.py
index 38cedf9..43d7d68 100644
--- a/openapidocs/__init__.py
+++ b/openapidocs/__init__.py
@@ -1,2 +1,2 @@
-__version__ = "1.0.9"
+__version__ = "1.1.0"
 VERSION = __version__
diff --git a/pyproject.toml b/pyproject.toml
index 4d888a6..0bdddfa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,11 +13,11 @@ classifiers = [
     "Development Status :: 5 - Production/Stable",
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
-    "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",
     "Operating System :: OS Independent",
 ]
 keywords = [
diff --git a/tests/test_v3.py b/tests/test_v3.py
index d8b8200..a90fa1e 100644
--- a/tests/test_v3.py
+++ b/tests/test_v3.py
@@ -92,7 +92,8 @@ class FooParent:
 
 class TestItem:
     @abstractmethod
-    def get_instance(self) -> Any: ...
+    def get_instance(self) -> Any:
+        ...
 
     def expected_yaml(self) -> str:
         return dedent(self.yaml()).strip()
@@ -101,10 +102,12 @@ def expected_json(self) -> str:
         return dedent(self.json()).strip()
 
     @abstractmethod
-    def json(self) -> str: ...
+    def json(self) -> str:
+        ...
 
     @abstractmethod
-    def yaml(self) -> str: ...
+    def yaml(self) -> str:
+        ...
 
 
 class ParameterExample1(TestItem):