diff --git a/tools/gen_pb_exec_env.sh b/tools/gen_pb_exec_env.sh
index d7fe86b..d01a0d9 100755
--- a/tools/gen_pb_exec_env.sh
+++ b/tools/gen_pb_exec_env.sh
@@ -27,18 +27,18 @@
 
 # install conda
 rm -rf ./miniconda
-wget https://repo.anaconda.com/miniconda/Miniconda3-py310_23.3.1-0-Linux-x86_64.sh
-bash Miniconda3-py310_23.3.1-0-Linux-x86_64.sh -p ./miniconda -b
+wget https://repo.anaconda.com/miniconda/Miniconda3-py312_24.9.2-0-Linux-x86_64.sh
+bash Miniconda3-py312_24.9.2-0-Linux-x86_64.sh -p ./miniconda -b
 eval "$(./miniconda/bin/conda shell.bash hook)"
 
 # create conda environment
-conda create -n pt python=3.10 -y
+conda create -n pt python=3.12 -y
 conda activate pt
 conda install -c conda-forge conda-pack -y
 
 # pre install step
 export PYTHONNOUSERSITE=True
-conda install -c conda-forge libstdcxx-ng=12 -y
+conda install -c conda-forge libstdcxx-ng=14 -y
 
 # install PyTorch
 conda install pytorch torchvision torchaudio pytorch-cuda=12.1 -c pytorch -c nvidia -y
@@ -49,4 +49,3 @@ conda pack -o pb_exec_env_model.py.tar.gz
 
 # deactivate conda
 conda deactivate
-conda deactivate