diff --git a/CHANGES.rst b/CHANGES.rst
index 78c07ef..0791352 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -15,6 +15,20 @@
 CHANGELOG
 *********
 
+1.0.0 (2024-01-26)
+=================
+
+Features
+--------
+
+- Added support for Pillow >= 10.1
+
+Changes
+-------
+
+- Updated version of ``libheif-rs`` to 1.0.
+- Updated version of ``pyo3`` to 0.20.
+
 0.14 (2023-09-09)
 =================
 
diff --git a/Cargo.toml b/Cargo.toml
index 1731505..391e74d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,8 +12,8 @@ crate-type = ["cdylib"]
 
 
 [dependencies]
-libheif-rs = { version = "0.22.0" }
-pyo3 = "0.19.2"
+libheif-rs = { version = "1.0" }
+pyo3 = "0.20"
 
 
 [profile.release]
diff --git a/README.rst b/README.rst
index e5bc4eb..5f06805 100644
--- a/README.rst
+++ b/README.rst
@@ -56,7 +56,7 @@ Installation from source
 
 System requirements:
 
-- libheif-dev >= 1.16 (https://github.com/strukturag/libheif)
+- libheif-dev >= 1.17 (https://github.com/strukturag/libheif)
 - python3-dev
 - Rust 1.72+ (https://www.rust-lang.org/)
 - CLang
diff --git a/docker/Dockerfile b/docker/Dockerfile
index bc711d4..8378b66 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -59,7 +59,7 @@ RUN mkdir /workdir "${CARGO_TARGET_DIR}"
 
 
 # libheif: step1 - get sources
-ENV LIBHEIF_VERSION 1.16.2
+ENV LIBHEIF_VERSION 1.17.6
 RUN set -ex \
     && cd /build-deps \
     && wget https://github.com/strukturag/libheif/releases/download/v${LIBHEIF_VERSION}/libheif-${LIBHEIF_VERSION}.tar.gz \
@@ -67,9 +67,9 @@ RUN set -ex \
     && cd libheif-${LIBHEIF_VERSION} \
     && mkdir -p third-party \
     && cd third-party \
-    && git clone -b 0.6 --depth 1 https://github.com/xiph/rav1e.git \
-    && git clone -b 1.2.1 --depth 1 https://code.videolan.org/videolan/dav1d.git \
-    && git clone -b v1.3.1 --depth 1 https://chromium.googlesource.com/webm/libwebp
+    && git clone -b v0.7.1 --depth 1 https://github.com/xiph/rav1e.git \
+    && git clone -b 1.3.0 --depth 1 https://code.videolan.org/videolan/dav1d.git \
+    && git clone -b v1.3.2 --depth 1 https://chromium.googlesource.com/webm/libwebp
 
 # libheif: step2 - rav1e
 RUN set -ex \
@@ -114,7 +114,7 @@ RUN set -ex \
 
 RUN set -ex \
     && source $HOME/.cargo/env \
-    && declare -a pythons=("cp38-cp38" "cp39-cp39" "cp310-cp310" "cp311-cp311") \
+    && declare -a pythons=("cp38-cp38" "cp39-cp39" "cp310-cp310" "cp311-cp311" "cp312-cp312") \
     && for PY in "${pythons[@]}"; do \
         cd "/opt/python/${PY}/bin/" \
         && ./pip install --upgrade pip auditwheel twine setuptools maturin \
diff --git a/docker/build.sh b/docker/build.sh
index 9837bcd..e2c851a 100755
--- a/docker/build.sh
+++ b/docker/build.sh
@@ -28,17 +28,14 @@ rm -rf docker tests build_wheels.sh
 
 
 source "$HOME/.cargo/env"
-PYTHONS=("8" "9" "10" "11")
+PYTHONS=("8" "9" "10" "11" "12")
 mkdir "${RESULT}/repaired"
 SDIST_OPT="--sdist"
 for PY_MINOR in "${PYTHONS[@]}"; do
   PY="3${PY_MINOR}"
   echo ""
   echo "Build wheel for Python 3.${PY_MINOR}"
-  PY_BIN_DIR="/opt/python/cp${PY}-cp${PY}m/bin/"
-  if [ ! -d "${PY_BIN_DIR}" ]; then
-    PY_BIN_DIR="/opt/python/cp${PY}-cp${PY}/bin/"
-  fi;
+  PY_BIN_DIR="/opt/python/cp${PY}-cp${PY}/bin"
   cd "${WORKDIR}/cykooz-heif"
   mkdir "${RESULT}/wheelhouse${PY}"
   PYTHON_SYS_EXECUTABLE="${PY_BIN_DIR}/python" "${PY_BIN_DIR}/maturin" build \
diff --git a/pyproject.toml b/pyproject.toml
index f560435..82fa415 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,17 +5,18 @@ build-backend = "maturin"
 
 [project]
 name = "cykooz.heif"
-version = "0.14.0"
+version = "1.0.0"
 description = "A decoder of HEIF format of images"
 readme = "README.rst"
 classifiers = [
-    "Development Status :: 4 - Beta",
+    "Development Status :: 5 - Production/Stable",
     "Programming Language :: Python",
     "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 :: Implementation :: CPython",
     "Programming Language :: Rust",
     "Topic :: Multimedia :: Graphics",
diff --git a/python/cykooz/heif/pil.py b/python/cykooz/heif/pil.py
index 3684c25..e57f075 100644
--- a/python/cykooz/heif/pil.py
+++ b/python/cykooz/heif/pil.py
@@ -28,7 +28,11 @@ def _open(self):
         self._size = raw_heif_image.width, raw_heif_image.height
 
         # mode setting
-        self.mode = raw_heif_image.mode
+        if hasattr(self, '_mode'):
+            self._mode = raw_heif_image.mode
+        else:
+            # Support Pillow < 10.1.0
+            self.mode = raw_heif_image.mode
 
         exif = raw_heif_image.exif
         if exif: