diff --git a/tools/gen_pb_exec_env.sh b/tools/gen_pb_exec_env.sh
index d01a0d9..19539cd 100755
--- a/tools/gen_pb_exec_env.sh
+++ b/tools/gen_pb_exec_env.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# Copyright 2023-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -27,21 +27,23 @@
 
 # install conda
 rm -rf ./miniconda
-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
+wget https://repo.anaconda.com/miniconda/Miniconda3-py312_25.7.0-2-Linux-x86_64.sh
+bash Miniconda3-py312_25.7.0-2-Linux-x86_64.sh -p ./miniconda -b
 eval "$(./miniconda/bin/conda shell.bash hook)"
 
 # create conda environment
+conda tos accept --override-channels --channel https://repo.anaconda.com/pkgs/main
+conda tos accept --override-channels --channel https://repo.anaconda.com/pkgs/r
 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=14 -y
+conda install -c conda-forge libstdcxx-ng=15 -y
 
 # install PyTorch
-conda install pytorch torchvision torchaudio pytorch-cuda=12.1 -c pytorch -c nvidia -y
+conda install pytorch torchvision torchaudio pytorch-cuda=12.4 -c pytorch -c nvidia -y
 
 # pack environment
 rm -f pb_exec_env_model.py.tar.gz