diff --git a/install.bat b/install.bat
index 666eb62cb..cf04082d9 100644
--- a/install.bat
+++ b/install.bat
@@ -10,7 +10,7 @@ pushd "%~dp0" || call :die "Cannot cd to script directory"
 set "SCRIPT_DIR=%CD%"
 set "VENV_DIR=%SCRIPT_DIR%\\venv"
 set "VERSION_FILE=%SCRIPT_DIR%\\scripts\\util\\version_check.py"
-set "MIN_PY=3.10" & set "MAX_PY=3.13"
+set "MIN_PY=3.10" & set "MAX_PY=3.14"
 
 goto :main
 
diff --git a/lib.include.sh b/lib.include.sh
index a5703e19e..ed6d31a23 100644
--- a/lib.include.sh
+++ b/lib.include.sh
@@ -33,8 +33,8 @@ export OT_SCRIPT_DEBUG="${OT_SCRIPT_DEBUG:-false}"
 # Internal environment variables.
 # NOTE: Version check supports "3", "3.1" and "3.1.5" specifier formats.
 export OT_PYTHON_VERSION_MINIMUM="3.10"
-export OT_PYTHON_VERSION_TOO_HIGH="3.13"
-export OT_CONDA_USE_PYTHON_VERSION="3.10"
+export OT_PYTHON_VERSION_TOO_HIGH="3.14"
+export OT_CONDA_USE_PYTHON_VERSION="3.13"
 export OT_MUST_INSTALL_REQUIREMENTS="false"
 export OT_UPDATE_METADATA_FILE="${SCRIPT_DIR}/update.var"
 export OT_HOST_OS="$(uname -s)"
diff --git a/requirements-cuda.txt b/requirements-cuda.txt
index c17429e6f..35c3059d7 100644
--- a/requirements-cuda.txt
+++ b/requirements-cuda.txt
@@ -1,10 +1,10 @@
 # pytorch
 --extra-index-url https://download.pytorch.org/whl/cu128
-torch==2.8.0+cu128
-torchvision==0.23.0+cu128
-onnxruntime-gpu==1.22.0
-nvidia-nccl-cu12==2.27.3; sys_platform == "linux"
-triton-windows==3.4.0.post20; sys_platform == "win32"
+torch==2.9.1+cu128
+torchvision==0.24.1+cu128
+onnxruntime-gpu==1.23.2
+nvidia-nccl-cu12==2.27.5; sys_platform == "linux"
+triton-windows==3.5.1.post24; sys_platform == "win32"
 
 # optimizers
-bitsandbytes==0.46.0 # bitsandbytes for 8-bit optimizers and weight quantization
+bitsandbytes==0.49.1 # bitsandbytes for 8-bit optimizers and weight quantization
diff --git a/requirements-default.txt b/requirements-default.txt
index cd8f93df4..06590561c 100644
--- a/requirements-default.txt
+++ b/requirements-default.txt
@@ -1,7 +1,7 @@
 # pytorch
-torch==2.8.0
-torchvision==0.23.0
-onnxruntime==1.22.1
+torch==2.9.1
+torchvision==0.24.1
+onnxruntime==1.23.2
 
 # optimizers
 # TODO
diff --git a/requirements-global.txt b/requirements-global.txt
index 06bb99565..a3e17791a 100644
--- a/requirements-global.txt
+++ b/requirements-global.txt
@@ -15,15 +15,15 @@ parse==1.20.2
 setuptools==81.0.0
 
 # pytorch
-accelerate==1.7.0
-safetensors==0.5.3
-tensorboard==2.19.0
-pytorch-lightning==2.5.1.post0
+accelerate==1.12.0
+safetensors==0.7.0
+tensorboard==2.20.0
+pytorch-lightning==2.6.1
 
 # diffusion models
 -e git+https://github.com/huggingface/diffusers.git@6a1904e#egg=diffusers
 gguf==0.17.1
-transformers==4.56.2
+transformers==4.57.6
 sentencepiece==0.2.1 # transitive dependency of transformers for tokenizer loading
 omegaconf==2.3.0 # needed to load stable diffusion from single ckpt files
 invisible-watermark==0.2.0 # needed for the SDXL pipeline
diff --git a/requirements-rocm.txt b/requirements-rocm.txt
index 549156148..41a96d70a 100644
--- a/requirements-rocm.txt
+++ b/requirements-rocm.txt
@@ -3,9 +3,9 @@
 
 # pytorch
 --extra-index-url https://download.pytorch.org/whl/rocm6.3
-torch==2.7.1+rocm6.3  #intentionally not upgraded because of reported problems
-torchvision==0.22.1+rocm6.3
-onnxruntime==1.22.1
+torch==2.9.1+rocm6.3
+torchvision==0.24.1+rocm6.3
+onnxruntime==1.23.2
 
 # optimizers
 # TODO
diff --git a/start-ui.bat b/start-ui.bat
index 0f859af59..5edc8e6c4 100644
--- a/start-ui.bat
+++ b/start-ui.bat
@@ -52,7 +52,7 @@ if errorlevel 1 (
 )
 
 echo.
-%PYTHON% "%~dp0scripts\util\version_check.py" 3.10 3.13 2>&1
+%PYTHON% "%~dp0scripts\util\version_check.py" 3.10 3.14 2>&1
 if errorlevel 1 (
     echo.
     goto :wrong_python_version
diff --git a/update.bat b/update.bat
index ba578551f..7d05c4810 100644
--- a/update.bat
+++ b/update.bat
@@ -118,7 +118,7 @@ if errorlevel 1 (
 )
 
 echo.
-"%PYTHON%" "%~dp0scripts\util\version_check.py" 3.10 3.13 2>&1
+"%PYTHON%" "%~dp0scripts\util\version_check.py" 3.10 3.14 2>&1
 if errorlevel 1 (
     echo.
     goto :wrong_python_version