diff --git a/docker/llm/finetune/lora/cpu/docker/Dockerfile b/docker/llm/finetune/lora/cpu/docker/Dockerfile
index 4b6f51b9..8c564b03 100644
--- a/docker/llm/finetune/lora/cpu/docker/Dockerfile
+++ b/docker/llm/finetune/lora/cpu/docker/Dockerfile
@@ -21,7 +21,7 @@ RUN echo "deb [signed-by=/usr/share/keyrings/intel-oneapi-archive-keyring.gpg] h
 RUN mkdir /ipex_llm/data && mkdir /ipex_llm/model && \
 # install pytorch 2.0.1
     apt-get update && \
-    apt-get install -y python3-pip python3.9-dev python3-wheel git software-properties-common && \
+    apt-get install -y python3-pip python3.11-dev python3-wheel git software-properties-common && \
     pip3 install --upgrade pip && \
     export PIP_DEFAULT_TIMEOUT=100 && \
     pip install --upgrade torch==2.1.0 --index-url https://download.pytorch.org/whl/cpu && \
@@ -37,9 +37,9 @@ RUN mkdir /ipex_llm/data && mkdir /ipex_llm/model && \
     pip install -r /ipex_llm/requirements.txt && \
 # install python
     add-apt-repository ppa:deadsnakes/ppa -y && \
-    apt-get install -y python3.9 && \
+    apt-get install -y python3.11 && \
     rm /usr/bin/python3 && \
-    ln -s /usr/bin/python3.9 /usr/bin/python3 && \
+    ln -s /usr/bin/python3.11 /usr/bin/python3 && \
     ln -s /usr/bin/python3 /usr/bin/python && \
     pip install --no-cache requests argparse cryptography==3.3.2 urllib3 && \
     pip install --upgrade requests && \
diff --git a/docker/llm/finetune/qlora/cpu/docker/Dockerfile b/docker/llm/finetune/qlora/cpu/docker/Dockerfile
index 2aaaa08e..4f68d486 100644
--- a/docker/llm/finetune/qlora/cpu/docker/Dockerfile
+++ b/docker/llm/finetune/qlora/cpu/docker/Dockerfile
@@ -21,7 +21,7 @@ RUN echo "deb [signed-by=/usr/share/keyrings/intel-oneapi-archive-keyring.gpg] h
 RUN mkdir -p /ipex_llm/data && mkdir -p /ipex_llm/model && \
     # install pytorch 2.1.0
     apt-get update && \
-    apt-get install -y --no-install-recommends python3-pip python3.9-dev python3-wheel python3.9-distutils git software-properties-common && \
+    apt-get install -y --no-install-recommends python3-pip python3.11-dev python3-wheel python3.11-distutils git software-properties-common && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* && \
     pip3 install --upgrade pip && \
diff --git a/docker/llm/finetune/qlora/cpu/docker/Dockerfile.k8s b/docker/llm/finetune/qlora/cpu/docker/Dockerfile.k8s
index 71a8a5e1..f14e0b08 100644
--- a/docker/llm/finetune/qlora/cpu/docker/Dockerfile.k8s
+++ b/docker/llm/finetune/qlora/cpu/docker/Dockerfile.k8s
@@ -22,7 +22,7 @@ RUN echo "deb [signed-by=/usr/share/keyrings/intel-oneapi-archive-keyring.gpg] h
 RUN mkdir -p /ipex_llm/data && mkdir -p /ipex_llm/model && \
     apt-get update && \
     apt install -y --no-install-recommends openssh-server openssh-client libcap2-bin gnupg2 ca-certificates \ 
-    python3-pip python3.9-dev python3-wheel python3.9-distutils git software-properties-common && \
+    python3-pip python3.11-dev python3-wheel python3.11-distutils git software-properties-common && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* && \
     mkdir -p /var/run/sshd && \
diff --git a/docker/llm/finetune/qlora/xpu/docker/Dockerfile b/docker/llm/finetune/qlora/xpu/docker/Dockerfile
index ea5fe693..478ed5bc 100644
--- a/docker/llm/finetune/qlora/xpu/docker/Dockerfile
+++ b/docker/llm/finetune/qlora/xpu/docker/Dockerfile
@@ -18,15 +18,15 @@ RUN curl -fsSL https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-P
     apt-get install -y curl wget git gnupg gpg-agent software-properties-common libunwind8-dev vim less && \
     # install Intel GPU driver
     apt-get install -y intel-opencl-icd intel-level-zero-gpu=1.3.26241.33-647~22.04 level-zero level-zero-dev --allow-downgrades && \
-    # install python 3.9
+    # install python 3.11
     ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
     env DEBIAN_FRONTEND=noninteractive apt-get update && \
     add-apt-repository ppa:deadsnakes/ppa -y && \
-    apt-get install -y python3.9 && \
+    apt-get install -y python3.11 && \
     rm /usr/bin/python3 && \
-    ln -s /usr/bin/python3.9 /usr/bin/python3 && \
+    ln -s /usr/bin/python3.11 /usr/bin/python3 && \
     ln -s /usr/bin/python3 /usr/bin/python && \
-    apt-get install -y python3-pip python3.9-dev python3-wheel python3.9-distutils && \
+    apt-get install -y python3-pip python3.11-dev python3-wheel python3.11-distutils && \
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
     # install XPU ipex-llm
     pip install --pre --upgrade ipex-llm[xpu] --extra-index-url https://pytorch-extension.intel.com/release-whl/stable/xpu/us/ && \
diff --git a/docker/llm/inference/cpu/docker/Dockerfile b/docker/llm/inference/cpu/docker/Dockerfile
index f8a302f7..319ffcdf 100644
--- a/docker/llm/inference/cpu/docker/Dockerfile
+++ b/docker/llm/inference/cpu/docker/Dockerfile
@@ -9,22 +9,30 @@ ENV PYTHONUNBUFFERED=1
 
 COPY ./start-notebook.sh /llm/start-notebook.sh
 
-# Install PYTHON 3.9
+# Update the software sources
 RUN env DEBIAN_FRONTEND=noninteractive apt-get update && \
+# Install essential packages
     apt install software-properties-common libunwind8-dev vim less -y && \
+# Install git, curl, and wget
+    apt-get install -y git curl wget && \
+# Install Python 3.11
+    # Add Python 3.11 PPA repository
     add-apt-repository ppa:deadsnakes/ppa -y && \
-    apt-get install -y python3.9 git curl wget && \
+    # Install Python 3.11
+    apt-get install -y python3.11 && \
+    # Remove the original /usr/bin/python3 symbolic link
     rm /usr/bin/python3 && \
-    ln -s /usr/bin/python3.9 /usr/bin/python3 && \
+    # Create a symbolic link pointing to Python 3.11 at /usr/bin/python3
+    ln -s /usr/bin/python3.11 /usr/bin/python3 && \
+    # Create a symbolic link pointing to /usr/bin/python3 at /usr/bin/python
     ln -s /usr/bin/python3 /usr/bin/python && \
-    apt-get install -y python3-pip python3.9-dev python3-wheel python3.9-distutils && \
+    # Install Python 3.11 development and utility packages
+    apt-get install -y python3-pip python3.11-dev python3-wheel python3.11-distutils && \
+# Download and install pip, install FastChat from source requires PEP 660 support
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
-# Install FastChat from source requires PEP 660 support
     python3 get-pip.py && \
     rm get-pip.py && \
     pip install --upgrade requests argparse urllib3 && \
-    pip3 install --no-cache-dir --upgrade torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu && \
-    pip install --pre --upgrade ipex-llm[all] && \
 # Download ipex-llm-tutorial
     cd /llm && \
     pip install --upgrade jupyterlab && \
diff --git a/docker/llm/inference/xpu/docker/Dockerfile b/docker/llm/inference/xpu/docker/Dockerfile
index 74dec616..b3269627 100644
--- a/docker/llm/inference/xpu/docker/Dockerfile
+++ b/docker/llm/inference/xpu/docker/Dockerfile
@@ -20,16 +20,16 @@ RUN curl -fsSL https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-P
     wget -qO - https://repositories.intel.com/graphics/intel-graphics.key | gpg --dearmor --output /usr/share/keyrings/intel-graphics.gpg && \
     echo 'deb [arch=amd64,i386 signed-by=/usr/share/keyrings/intel-graphics.gpg] https://repositories.intel.com/graphics/ubuntu jammy arc' | tee /etc/apt/sources.list.d/intel.gpu.jammy.list && \
     rm /etc/apt/sources.list.d/intel-graphics.list && \
-    # Install PYTHON 3.9 and IPEX-LLM[xpu]
+    # Install PYTHON 3.11 and IPEX-LLM[xpu]
     ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
     env DEBIAN_FRONTEND=noninteractive apt-get update && \
     apt install software-properties-common libunwind8-dev vim less -y && \
     add-apt-repository ppa:deadsnakes/ppa -y && \
-    apt-get install -y python3.9 git curl wget && \
+    apt-get install -y python3.11 git curl wget && \
     rm /usr/bin/python3 && \
-    ln -s /usr/bin/python3.9 /usr/bin/python3 && \
+    ln -s /usr/bin/python3.11 /usr/bin/python3 && \
     ln -s /usr/bin/python3 /usr/bin/python && \
-    apt-get install -y python3-pip python3.9-dev python3-wheel python3.9-distutils && \
+    apt-get install -y python3-pip python3.11-dev python3-wheel python3.11-distutils && \
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
     # Install FastChat from source requires PEP 660 support
     python3 get-pip.py && \
diff --git a/docker/llm/serving/cpu/docker/Dockerfile b/docker/llm/serving/cpu/docker/Dockerfile
index 06ddb7f5..e3ddb7ca 100644
--- a/docker/llm/serving/cpu/docker/Dockerfile
+++ b/docker/llm/serving/cpu/docker/Dockerfile
@@ -16,7 +16,7 @@ RUN cd /llm && \
     # Fix Trivy CVE Issues
     pip install Jinja2==3.1.3 transformers==4.36.2 gradio==4.19.2 cryptography==42.0.4 && \
     # Fix Qwen model adpater in fastchat
-    patch /usr/local/lib/python3.9/dist-packages/fastchat/model/model_adapter.py < /llm/model_adapter.py.patch && \
+    patch /usr/local/lib/python3.11/dist-packages/fastchat/model/model_adapter.py < /llm/model_adapter.py.patch && \
     chmod +x /opt/entrypoint.sh && \
     chmod +x /sbin/tini && \
     cp /sbin/tini /usr/bin/tini
diff --git a/python/llm/example/CPU/QLoRA-FineTuning/alpaca-qlora/README.md b/python/llm/example/CPU/QLoRA-FineTuning/alpaca-qlora/README.md
index 9641d356..a3d0ba36 100644
--- a/python/llm/example/CPU/QLoRA-FineTuning/alpaca-qlora/README.md
+++ b/python/llm/example/CPU/QLoRA-FineTuning/alpaca-qlora/README.md
@@ -60,7 +60,7 @@ pip install oneccl_bind_pt --extra-index-url https://developer.intel.com/ipex-wh
 2. modify conf in `finetune_one_node_two_sockets.sh` and run
 
 ```
-source ${conda_env}/lib/python3.9/site-packages/oneccl_bindings_for_pytorch/env/setvars.sh
+source ${conda_env}/lib/python3.11/site-packages/oneccl_bindings_for_pytorch/env/setvars.sh
 bash finetune_one_node_two_sockets.sh
 ```
 
diff --git a/python/llm/example/GPU/HF-Transformers-AutoModels/Model/voiceassistant/README.md b/python/llm/example/GPU/HF-Transformers-AutoModels/Model/voiceassistant/README.md
index f34731df..74afab59 100644
--- a/python/llm/example/GPU/HF-Transformers-AutoModels/Model/voiceassistant/README.md
+++ b/python/llm/example/GPU/HF-Transformers-AutoModels/Model/voiceassistant/README.md
@@ -163,7 +163,7 @@ frame_data = np.frombuffer(audio.frame_data, np.int16).flatten().astype(np.float
 #### Sample Output
 ```bash
 (llm) ipex@ipex-llm:~/Documents/voiceassistant$ python generate.py --llama2-repo-id-or-model-path /mnt/windows/demo/models/Llama-2-7b-chat-hf --whisper-repo-id-or-model-path /mnt/windows/demo/models/whisper-medium
-/home/ipex/anaconda3/envs/llm/lib/python3.9/site-packages/torchvision/io/image.py:13: UserWarning: Failed to load image Python extension: ''If you don't plan on using image functionality from `torchvision.io`, you can ignore this warning. Otherwise, there might be something wrong with your environment. Did you have `libjpeg` or `libpng` installed before building `torchvision` from source?
+/home/ipex/anaconda3/envs/llm/lib/python3.11/site-packages/torchvision/io/image.py:13: UserWarning: Failed to load image Python extension: ''If you don't plan on using image functionality from `torchvision.io`, you can ignore this warning. Otherwise, there might be something wrong with your environment. Did you have `libjpeg` or `libpng` installed before building `torchvision` from source?
   warn(
 
 [?] Which microphone do you choose?: Default
@@ -189,11 +189,11 @@ Extracting data files: 100%|█████████████████
 Generating validation split: 73 examples [00:00, 5328.37 examples/s]
 Converting and loading models...
 Loading checkpoint shards: 100%|██████████████████████████████████████████████████████████████████████████████████████| 3/3 [00:09<00:00,  3.04s/it]
-/home/ipex/anaconda3/envs/yina-llm/lib/python3.9/site-packages/transformers/generation/configuration_utils.py:362: UserWarning: `do_sample` is set to `False`. However, `temperature` is set to `0.9` -- this flag is only used in sample-based generation modes. You should set `do_sample=True` or unset `temperature`. This was detected when initializing the generation config instance, which means the corresponding file may hold incorrect parameterization and should be fixed.
+/home/ipex/anaconda3/envs/yina-llm/lib/python3.11/site-packages/transformers/generation/configuration_utils.py:362: UserWarning: `do_sample` is set to `False`. However, `temperature` is set to `0.9` -- this flag is only used in sample-based generation modes. You should set `do_sample=True` or unset `temperature`. This was detected when initializing the generation config instance, which means the corresponding file may hold incorrect parameterization and should be fixed.
   warnings.warn(
-/home/ipex/anaconda3/envs/yina-llm/lib/python3.9/site-packages/transformers/generation/configuration_utils.py:367: UserWarning: `do_sample` is set to `False`. However, `top_p` is set to `0.6` -- this flag is only used in sample-based generation modes. You should set `do_sample=True` or unset `top_p`. This was detected when initializing the generation config instance, which means the corresponding file may hold incorrect parameterization and should be fixed.
+/home/ipex/anaconda3/envs/yina-llm/lib/python3.11/site-packages/transformers/generation/configuration_utils.py:367: UserWarning: `do_sample` is set to `False`. However, `top_p` is set to `0.6` -- this flag is only used in sample-based generation modes. You should set `do_sample=True` or unset `top_p`. This was detected when initializing the generation config instance, which means the corresponding file may hold incorrect parameterization and should be fixed.
   warnings.warn(
-/home/ipex/anaconda3/envs/yina-llm/lib/python3.9/site-packages/transformers/generation/utils.py:1411: UserWarning: You have modified the pretrained model configuration to control generation. This is a deprecated strategy to control generation and will be removed soon, in a future version. Please use a generation configuration file (see https://huggingface.co/docs/transformers/main_classes/text_generation )
+/home/ipex/anaconda3/envs/yina-llm/lib/python3.11/site-packages/transformers/generation/utils.py:1411: UserWarning: You have modified the pretrained model configuration to control generation. This is a deprecated strategy to control generation and will be removed soon, in a future version. Please use a generation configuration file (see https://huggingface.co/docs/transformers/main_classes/text_generation )
   warnings.warn(
 Calibrating...
 Listening now...