diff --git a/.github/packaging/pre_build_gpu.sh b/.github/packaging/pre_build_gpu.sh
index d81f52782..9a7dd653b 100644
--- a/.github/packaging/pre_build_gpu.sh
+++ b/.github/packaging/pre_build_gpu.sh
@@ -16,6 +16,7 @@ echo "build dir is $BUILD_DIR"
 echo "wheel dir is $WHL_DIR"
 
 build_monarch() {
+    export MONARCH_PACKAGE_NAME="torchmonarch"
     # Get Rust build related pieces
     if ! command -v rustup &> /dev/null; then
         echo "getting rustup"
diff --git a/.github/workflows/build_vllm.yaml b/.github/workflows/build_vllm.yaml
index cba29257d..0e8279ac4 100644
--- a/.github/workflows/build_vllm.yaml
+++ b/.github/workflows/build_vllm.yaml
@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   build:
-    name: forge-cu126-nightly
+    name: forge-cu129-nightly
     uses: pytorch/test-infra/.github/workflows/build_wheels_linux.yml@main
     strategy:
       fail-fast: false
@@ -31,13 +31,13 @@ jobs:
             {
               "python_version": "3.10",
               "gpu_arch_type": "cpu",
-              "gpu_arch_version": "12.6",
-              "desired_cuda": "cu126",
-              "container_image": "pytorch/manylinux2_28-builder:cuda12.6",
+              "gpu_arch_version": "12.9",
+              "desired_cuda": "cu129",
+              "container_image": "pytorch/manylinux2_28-builder:cuda12.9",
               "package_type": "manywheel",
-              "build_name": "manywheel-py3_10-cuda12_6",
+              "build_name": "manywheel-py3_10-cuda12_9",
               "validation_runner": "linux.12xlarge.memory",
-              "installation": "pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu126",
+              "installation": "pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu129",
               "channel": "nightly",
               "upload_to_base_bucket": "no",
               "stable_version": "2.8.0",
diff --git a/.github/workflows/build_wheels.yaml b/.github/workflows/build_wheels.yaml
index 087d65da8..a384991cd 100644
--- a/.github/workflows/build_wheels.yaml
+++ b/.github/workflows/build_wheels.yaml
@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   build:
-    name: forge-cu126-nightly
+    name: forge-cu129-nightly
     uses: pytorch/test-infra/.github/workflows/build_wheels_linux.yml@main
     strategy:
       fail-fast: false
@@ -31,13 +31,13 @@ jobs:
             {
               "python_version": "3.10",
               "gpu_arch_type": "cuda",
-              "gpu_arch_version": "12.6",
-              "desired_cuda": "cu126",
-              "container_image": "pytorch/manylinux2_28-builder:cuda12.6",
+              "gpu_arch_version": "12.9",
+              "desired_cuda": "cu129",
+              "container_image": "pytorch/manylinux2_28-builder:cuda12.9",
               "package_type": "manywheel",
-              "build_name": "manywheel-py3_10-cuda12_6",
+              "build_name": "manywheel-py3_10-cuda12_9",
               "validation_runner": "linux.4xlarge.nvidia.gpu",
-              "installation": "pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu126",
+              "installation": "pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu129",
               "channel": "nightly",
               "upload_to_base_bucket": "no",
               "stable_version": "2.8.0",