diff --git a/.github/pytorch-probot.yml b/.github/pytorch-probot.yml
index 9eae404af4..d46cd75c84 100644
--- a/.github/pytorch-probot.yml
+++ b/.github/pytorch-probot.yml
@@ -1,3 +1,4 @@
 ciflow_push_tags:
   - ciflow/8gpu
+  - ciflow/h100.8
 labeler_config: labeler.yml
diff --git a/.github/workflows/integration_test_8gpu_graph_trainer_h100.yaml b/.github/workflows/integration_test_8gpu_graph_trainer_h100.yaml
index 701b840ab6..01723af4ec 100644
--- a/.github/workflows/integration_test_8gpu_graph_trainer_h100.yaml
+++ b/.github/workflows/integration_test_8gpu_graph_trainer_h100.yaml
@@ -7,7 +7,7 @@ on:
       - 'torchtitan/experiments/graph_trainer/**'
       - '.github/workflows/integration_test_8gpu_graph_trainer_h100.yaml'
   pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
+    types: [labeled, synchronize]
     paths:
       - 'torchtitan/experiments/graph_trainer/**'
       - '.github/workflows/integration_test_8gpu_graph_trainer_h100.yaml'
@@ -29,7 +29,7 @@ permissions:
 
 jobs:
   build-test:
-    if: github.event_name != 'pull_request' || github.event.pull_request.draft == false
+    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'ciflow/h100.8')
     uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
     with:
       runner: linux.aws.h100.8
diff --git a/.github/workflows/integration_test_8gpu_h100.yaml b/.github/workflows/integration_test_8gpu_h100.yaml
index fc884482cb..debfa87587 100644
--- a/.github/workflows/integration_test_8gpu_h100.yaml
+++ b/.github/workflows/integration_test_8gpu_h100.yaml
@@ -3,12 +3,10 @@ name: 8 GPU Integration Test on H100
 on:
   push:
     branches: [ main ]
-    tags:
-      - ciflow/8gpu/*
     paths-ignore:
       - 'torchtitan/experiments/**'
   pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
+    types: [labeled, synchronize]
     branches: [ main ]
     paths-ignore:
       - 'torchtitan/experiments/**'
@@ -31,6 +29,7 @@ permissions:
 jobs:
   # Step 1: Dynamically compute the matrix based on conditions
   set-matrix:
+    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'ciflow/h100.8')
     uses: ./.github/workflows/set-matrix.yaml
     with:
       runner-rocm: linux.rocm.gpu.gfx942.8