diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 11df2c9..08618a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,20 +15,20 @@ concurrency:
 jobs:
 
   release-flag:
-    if: contains(github.event.head_commit.message, '!!release')
+    if: contains(github.event.head_commit.message, 'gha:release')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
 
   pypi-flag:
-    if: contains(github.event.head_commit.message, '!!pypi')
+    if: contains(github.event.head_commit.message, 'gha:pypi')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
 
 
   master-flag:
-    if: contains(github.event.head_commit.message, '!!master')
+    if: contains(github.event.head_commit.message, 'gha:master')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
@@ -41,7 +41,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
-        python-version: [ 3.7, '3.11' ]
+        python-version: [ '3.8', '3.11', '3.12' ]
 
     steps:
       - uses: actions/checkout@v2
@@ -93,7 +93,8 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11.2'
+          #python-version: '3.11.2'
+          python-version: '3.12'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/.github/workflows/ci.yml.bak b/.github/workflows/ci.yml.bak
new file mode 100644
index 0000000..8ebb41f
--- /dev/null
+++ b/.github/workflows/ci.yml.bak
@@ -0,0 +1,185 @@
+name: test-and-deploy
+
+on:
+  push:
+    branches: [ dev ]
+    paths-ignore:
+      - '**.md'
+      - '**.txt'
+
+concurrency:
+  # subsequently queued workflow run will interrupt previous runs
+  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
+  cancel-in-progress: true
+
+jobs:
+
+  release-flag:
+    if: contains(github.event.head_commit.message, '!!release')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+
+  pypi-flag:
+    if: contains(github.event.head_commit.message, '!!pypi')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+
+
+  master-flag:
+    if: contains(github.event.head_commit.message, '!!master')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+
+  test:
+    timeout-minutes: 15
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        python-version: [ 3.7, '3.11.0-rc.2' ]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade setuptools distlib
+          pip install -e .
+          pip install -r requirements.txt
+      - name: Lint
+        run: |
+          python3 ./do.py lint
+      - name: Run unit tests
+        run: |
+          python3 ./do.py test
+      - name: Run pkg tests
+        # важно, чтобы в случае Windows это был действительно python, а
+        # не python3. Иначе вызовы самого-себя в качестве дочернего процесса
+        # приведут к ошибкам с "ненайденными файлами". Ненайденный - вероятно
+        # сам пайтоне внутри venv
+        run: |
+          python ./do.py test-pkg
+
+  to-staging:
+    needs: [test, build-exe]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Merge current -> staging
+        uses: devmasx/merge-branch@v1.3.1
+        with:
+          type: now
+          target_branch: staging
+          github_token: ${{ github.token }}
+
+  build-exe:
+    #needs: [ to-staging ]
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.8.10'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade setuptools distlib
+          pip install -e .
+          pip install -r requirements.txt
+      - name: Build
+        run: python ./do.py build
+      - name: Run exe (test A)
+        run: dist/img2texture --version
+      - name: Run exe (test B)
+        run: dist/img2texture docs/1_orion_src.jpg texture.tmp.jpg
+      - name: Store Exe as artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: binary_from_${{ matrix.os }}
+          path: dist/*
+          retention-days: 3
+
+  to-master:
+    # if the commit message was "publish", copy the tested code
+    # to "master" branch and create GitHub release
+
+    needs: [ to-staging, master-flag ]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      # UPDATE MASTER BRANCH
+      - name: Merge to master branch
+        uses: devmasx/merge-branch@v1.3.1
+        with:
+          type: now
+          target_branch: master
+          github_token: ${{ github.token }}
+
+  to-pypi:
+    needs: [ to-master, pypi-flag ]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      # ADD PYPI RELEASE
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+      - name: Build and publish
+        env:
+          TWINE_USERNAME: ${{ secrets.PYPI_USR }}
+          TWINE_PASSWORD: ${{ secrets.PYPI_PWD }}
+        run: |
+          python setup.py sdist bdist_wheel
+          twine upload dist/*
+  
+
+  to-github-release:
+    needs: [ build-exe, to-staging, release-flag ]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Get previously built artifacts
+        uses: actions/download-artifact@v3
+        with:
+          path: downloaded_artifacts
+
+      - name: Create distributable archives
+        run: |
+          wget -c https://github.com/rtmigo/exe2dist/releases/latest/download/exe2dist_linux_amd64.tgz -O - | tar -xz
+          ./exe2dist img2texture 'downloaded_artifacts/*/*' dist
+
+      - name: Get the project version
+        run: |
+          echo "::set-output name=VER::$(python setup.py --version)"
+        id: version
+
+      - name: Publish GitHub release
+        id: publish_github_release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ steps.version.outputs.VER }}
+          files: ./dist/*
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/linux_build.yml.bak b/.github/workflows/linux_build.yml.bak
new file mode 100644
index 0000000..b40ad3c
--- /dev/null
+++ b/.github/workflows/linux_build.yml.bak
@@ -0,0 +1,40 @@
+name: build-dev
+
+on:
+  push:
+    branches: [ dev ]
+    paths-ignore:
+      - '**.md'
+      - '**.txt'
+
+concurrency:
+  # subsequently queued workflow run will interrupt previous runs
+  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
+  cancel-in-progress: true
+
+jobs:
+
+
+  build-exe:
+    #needs: [ to-staging ]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.8'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e .
+          pip install -r requirements.txt
+      - name: Pip list
+        run: pip list | tail -n +3 | awk '{print $1}' | xargs pip show | grep -E 'Location:|Name:' | cut -d ' ' -f 2 | paste -d ' ' - - | awk '{print $2 "/" tolower($1)}' | xargs du -sh 2> /dev/null | sort -hr
+      - name: Build
+        run: python ./do.py build
+      - name: Run exe (test A)
+        run: dist/img2texture --version
+      - name: Run exe (test B)
+        run: dist/img2texture docs/1_orion_src.jpg texture.tmp.jpg
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..9b904f6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,6 @@
+# 1.1.2 :: 2023-10-06
+
+- Pillow version requirement raised to version 10.0.1+ to fix recent [security vulnerabilities](https://snyk.io/blog/critical-webp-0-day-cve-2023-4863/)
+- Python version requirement raised to 3.8 (was 3.7) — as requred by Pillow 10 
+- Added CI tests for Python 3.12
+- Executables are now built with Python 3.12
\ No newline at end of file
diff --git a/do.py b/do.py
index 9180baa..7940aaf 100644
--- a/do.py
+++ b/do.py
@@ -30,6 +30,7 @@ def _test():
 def test_pkg():
     with Package() as pkg:
         pkg.run_shell_code('img2texture --version')
+
         # running console_scripts defined in setup.py
         pkg.run_shell_code('img2texture --help')
         pkg.run_shell_code('img2texture', expected_return_code=2)
diff --git a/img2texture/__init__.py b/img2texture/__init__.py
index f010c6b..e21c85a 100644
--- a/img2texture/__init__.py
+++ b/img2texture/__init__.py
@@ -1,2 +1,5 @@
+# SPDX-FileCopyrightText: (c) 2021 Artёm iG <github.com/rtmigo>
+# SPDX-License-Identifier: MIT
+
 from ._texturizing import file_to_seamless, image_to_seamless, img2tex
 from ._cli import cli
\ No newline at end of file
diff --git a/img2texture/__main__.py b/img2texture/__main__.py
index 7c4a768..13fe7cb 100644
--- a/img2texture/__main__.py
+++ b/img2texture/__main__.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: (c) 2021 Artёm iG <github.com/rtmigo>
+# SPDX-License-Identifier: MIT
+
 from . import cli
 
 if __name__ == "__main__":
diff --git a/img2texture/_cli.py b/img2texture/_cli.py
index 34be64e..2385af1 100644
--- a/img2texture/_cli.py
+++ b/img2texture/_cli.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: (c) 2021 Artёm iG <github.com/rtmigo>
+# SPDX-License-Identifier: MIT
+
 import argparse
 import os
 import sys
@@ -120,8 +123,8 @@ def cli():
 
     # preventing exception "Image.DecompressionBombError: Image size (324000000
     # pixels) exceeds limit of 178956970 pixels, could be decompression bomb DOS
-    # attack". In case of CLI we are not expecting attacks. Just processing
-    # large files
+    # attack". In case of CLI we are not expecting attacks: CLI user probably
+    # converting their own images. So we'll turn off this check for CLI
     Image.MAX_IMAGE_PIXELS = None
 
     try:
diff --git a/img2texture/_common.py b/img2texture/_common.py
deleted file mode 100644
index 66aee17..0000000
--- a/img2texture/_common.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from PIL import Image
-
-
diff --git a/img2texture/_constants.py b/img2texture/_constants.py
index ae1e0c6..3cffc7e 100644
--- a/img2texture/_constants.py
+++ b/img2texture/_constants.py
@@ -1,6 +1,6 @@
-__version__ = "1.1.0"
+__version__ = "1.1.2"
 
-__copyright__ = "(c) Artem iG <ortemeo@gmail.com>"
+__copyright__ = "(c) Arte:m iG <ortemeo@gmail.com>"
 __license__ = "MIT"
-__build_timestamp__ = "2022-10-12 05:30:19"
+__build_timestamp__ = "2022-10-12 05:30:20"
 
diff --git a/img2texture/_texturizing.py b/img2texture/_texturizing.py
index a186467..4911474 100644
--- a/img2texture/_texturizing.py
+++ b/img2texture/_texturizing.py
@@ -1,11 +1,12 @@
 # SPDX-FileCopyrightText: (c) 2021 Artёm iG <github.com/rtmigo>
 # SPDX-License-Identifier: MIT
+
 import warnings
 from math import floor
 from pathlib import Path
 from typing import Tuple, Union
 
-from ._common import Image  # importing with tweaked options
+from PIL import Image  # importing with tweaked options
 
 
 # todo Find a way to add dithering noise to 8-bit grading
@@ -19,12 +20,12 @@
 #
 # So all colors are 8 bit now. Maybe we should find a way to add some random
 # noise to out gradient. But Pillow will not create noise, we need to generate
-# it pixel-by-pixel, and probably not in native Python
+# it pixel-by-pixel, and probably not in Python (numpy could do this)
 
 
 def horizontal_gradient_256_scaled(size: Tuple[int, int],
                                    reverse=True) -> Image:
-    gradient = Image.new('L', (256, 1), color=None)
+    gradient = Image.new('L', (256, 1), color=None) # type: ignore
     for x in range(256):
         if reverse:
             gradient.putpixel((x, 0), x)
@@ -35,7 +36,7 @@ def horizontal_gradient_256_scaled(size: Tuple[int, int],
 
 
 def vertical_gradient_256_scaled(size: Tuple[int, int], reverse=True) -> Image:
-    gradient = Image.new('L', (1, 256), color=None)
+    gradient = Image.new('L', (1, 256), color=None) # type: ignore
     for x in range(256):
         if reverse:
             gradient.putpixel((0, x), x)
@@ -88,7 +89,8 @@ def _bottom_stripe_image(self):
             0, self.src_height - self.vertical_stripe_height, self.src_width,
             self.src_height))
 
-    def _to_rgba(self, image: Image) -> Image:
+    @staticmethod
+    def _to_rgba(image: Image) -> Image:
         if image.mode != 'RGBA':
             converted = image.convert('RGBA')
             assert converted is not None
@@ -129,8 +131,10 @@ def img2tex(src: Path, dst: Path, pct=0.25):
                   stacklevel=2)
     file_to_seamless(src, dst, overlap=pct)
 
+
 Overlap = Union[float, Tuple[float, float]]
 
+
 def file_to_seamless(src: Path, dst: Path, overlap: Overlap = 0.25) -> None:
     """Reads image from `src` file, converts it to seamless tile and saves
     to `dst` file."""
@@ -149,8 +153,7 @@ def image_to_seamless(src: Image, overlap: Overlap = 0.25) -> Image:
     return result
 
 
-def _float_or_index(dynamic: Overlap,
-                    idx: int) -> float:
+def _float_or_index(dynamic: Overlap, idx: int) -> float:
     if isinstance(dynamic, float):
         return dynamic
     else:
diff --git a/img2texture/_tiling.py b/img2texture/_tiling.py
index 25cfd68..b803d0c 100644
--- a/img2texture/_tiling.py
+++ b/img2texture/_tiling.py
@@ -3,7 +3,7 @@
 
 from pathlib import Path
 
-from ._common import Image  # importing with tweaked options
+from PIL import Image
 
 
 def tile(source: Path, target: Path,
diff --git a/setup.py b/setup.py
index dbc321a..3a8015d 100644
--- a/setup.py
+++ b/setup.py
@@ -30,8 +30,8 @@ def load_module_dict(filename: str) -> dict:
     packages=find_packages(include=[name, f'{name}.*']),
     package_data={name: ["py.typed"]},
 
-    python_requires='>=3.7, <4',
-    install_requires=["pillow>=9.2, <10"],
+    python_requires='>=3.8, <4',  # 3.8 for Pillow 10
+    install_requires=["pillow>=10.0.1"],  # fixing libwebp CVE-2023-4863
 
     description="Command line utility for converting images to seamless tiles.",
     long_description=readme,
@@ -53,6 +53,7 @@ def load_module_dict(filename: str) -> dict:
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Environment :: Console",
         "Typing :: Typed",
         "Topic :: Scientific/Engineering :: Image Processing",