diff --git a/.github/workflows/bot_pr_create.yaml b/.github/workflows/bot_pr_create.yaml
index 31d9bbe8..fb48e0f8 100644
--- a/.github/workflows/bot_pr_create.yaml
+++ b/.github/workflows/bot_pr_create.yaml
@@ -37,7 +37,7 @@ jobs:
     steps:
       - name: Get vLLM version
         run: |
-          VLLM_COMMIT=8b6325758cce5f9c36d38f2462edbd368b97a07c
+          VLLM_COMMIT=6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209
           echo "VLLM_COMMIT=https://github.com/vllm-project/vllm/commit/$VLLM_COMMIT" >> "$GITHUB_ENV"
 
       - name: Checkout repository
diff --git a/.github/workflows/dockerfiles/Dockerfile.lint b/.github/workflows/dockerfiles/Dockerfile.lint
index f92e3f3c..2164e8db 100644
--- a/.github/workflows/dockerfiles/Dockerfile.lint
+++ b/.github/workflows/dockerfiles/Dockerfile.lint
@@ -27,7 +27,7 @@ RUN apt-get update -y && \
 
 ARG VLLM_REPO=https://github.com/vllm-project/vllm.git
 # For lint purpose, actually we need make a main2main matching.
-ARG VLLM_COMMIT=8b6325758cce5f9c36d38f2462edbd368b97a07c
+ARG VLLM_COMMIT=6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209
 RUN git clone $VLLM_REPO /vllm-workspace/vllm && \
     cd /vllm-workspace/vllm && \
     git checkout $VLLM_COMMIT
diff --git a/.github/workflows/pr_test_full.yaml b/.github/workflows/pr_test_full.yaml
index a1c9f9a9..deca948d 100644
--- a/.github/workflows/pr_test_full.yaml
+++ b/.github/workflows/pr_test_full.yaml
@@ -75,7 +75,7 @@ jobs:
     name: e2e-full
     strategy:
       matrix:
-        vllm_version: [8b6325758cce5f9c36d38f2462edbd368b97a07c, v0.18.0]
+        vllm_version: [6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209, v0.18.0]
     needs: [changes]
     if: ${{ needs.changes.outputs.e2e_tracker == 'true' || needs.changes.outputs.e2e_tracker == true }}
     uses: ./.github/workflows/_e2e_test.yaml
diff --git a/.github/workflows/pr_test_light.yaml b/.github/workflows/pr_test_light.yaml
index 9ee40f3a..3e705778 100644
--- a/.github/workflows/pr_test_light.yaml
+++ b/.github/workflows/pr_test_light.yaml
@@ -41,7 +41,7 @@ jobs:
   lint:
     uses: ./.github/workflows/_pre_commit.yml
     with:
-      vllm: 8b6325758cce5f9c36d38f2462edbd368b97a07c
+      vllm: 6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209
   changes:
     runs-on: linux-aarch64-a2b3-0
     outputs:
@@ -90,7 +90,7 @@ jobs:
     if: ${{ needs.lint.result == 'success' && (needs.changes.outputs.e2e_tracker == 'true' || needs.changes.outputs.ut_tracker == 'true') }}
     strategy:
       matrix:
-        vllm_version: [8b6325758cce5f9c36d38f2462edbd368b97a07c, v0.18.0]
+        vllm_version: [6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209, v0.18.0]
     uses: ./.github/workflows/_unit_test.yaml
     with:
       vllm: ${{ matrix.vllm_version }}
@@ -102,7 +102,7 @@ jobs:
     name: e2e-light
     strategy:
       matrix:
-        vllm_version: [8b6325758cce5f9c36d38f2462edbd368b97a07c, v0.18.0]
+        vllm_version: [6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209, v0.18.0]
     # Note (yikun): If CI resource are limited we can split job into two chain jobs
     needs: [lint, changes]
     # only trigger e2e test after lint passed and the change is e2e related with pull request.
diff --git a/.github/workflows/schedule_codecov_refresh.yaml b/.github/workflows/schedule_codecov_refresh.yaml
index fd921458..3c4b8e94 100644
--- a/.github/workflows/schedule_codecov_refresh.yaml
+++ b/.github/workflows/schedule_codecov_refresh.yaml
@@ -33,7 +33,7 @@ jobs:
     name: refresh codecov
     strategy:
       matrix:
-        vllm_version: [8b6325758cce5f9c36d38f2462edbd368b97a07c]
+        vllm_version: [6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209]
     uses: ./.github/workflows/_unit_test.yaml
     with:
       vllm: ${{ matrix.vllm_version }}
diff --git a/docs/source/community/versioning_policy.md b/docs/source/community/versioning_policy.md
index a221d657..49b54958 100644
--- a/docs/source/community/versioning_policy.md
+++ b/docs/source/community/versioning_policy.md
@@ -59,7 +59,7 @@ For main branch of vLLM Ascend, we usually make it compatible with the latest vL
 
 | vLLM Ascend | vLLM         | Python           | Stable CANN | PyTorch/torch_npu  |
 |-------------|--------------|------------------|-------------|--------------------|
-|     main    | 8b6325758cce5f9c36d38f2462edbd368b97a07c, v0.18.0 tag | >= 3.10, < 3.12   | 8.5.0 | 2.9.0 / 2.9.0 |
+|     main    | 6a9cceb219fcbd6b1eb540ddfdc77ec160f0e209, v0.18.0 tag | >= 3.10, < 3.12   | 8.5.0 | 2.9.0 / 2.9.0 |
 
 ## Release cadence
 
diff --git a/tests/ut/distributed/device_communicators/test_pyhccl.py b/tests/ut/distributed/device_communicators/test_pyhccl.py
index 16eb0954..bb0fd592 100644
--- a/tests/ut/distributed/device_communicators/test_pyhccl.py
+++ b/tests/ut/distributed/device_communicators/test_pyhccl.py
@@ -6,6 +6,7 @@ from vllm.distributed.utils import StatelessProcessGroup
 from tests.ut.base import TestBase
 from vllm_ascend.distributed.device_communicators.pyhccl import \
     PyHcclCommunicator
+from vllm_ascend.utils import ACL_FORMAT_FRACTAL_NZ, vllm_version_is
 
 
 class MockHcclLib:
@@ -45,10 +46,15 @@ class TestPyHcclCommunicator(TestBase):
     @patch("vllm_ascend.utils.current_stream",
            return_value=MagicMock(npu_stream=5678))
     def test_stateless_group(self, *_):
-        group = StatelessProcessGroup(rank=3,
-                                      world_size=4,
-                                      store=None,
-                                      socket=None)
+        if vllm_version_is("0.18.0"):
+            group = StatelessProcessGroup(rank=3,
+                                        world_size=4,
+                                        store=None,
+                                        socket=None)
+        else:
+            group = StatelessProcessGroup(rank=3,
+                                        world_size=4,
+                                        store=None)
 
         comm = PyHcclCommunicator(group=group, device=3)
 
diff --git a/vllm_ascend/ascend_forward_context.py b/vllm_ascend/ascend_forward_context.py
index 243dede6..d013be34 100644
--- a/vllm_ascend/ascend_forward_context.py
+++ b/vllm_ascend/ascend_forward_context.py
@@ -19,6 +19,7 @@ from vllm_ascend.utils import (
     is_drafter_moe_model,
     is_moe_model,
     speculative_enable_dispatch_gmm_combine_decode,
+    vllm_version_is,
 )
 
 
@@ -53,13 +54,14 @@ def set_ascend_forward_context(
     forward_context_kwargs = {
         "attn_metadata": attn_metadata,
         "vllm_config": vllm_config,
-        "virtual_engine": virtual_engine,
         "num_tokens": num_tokens,
         "num_tokens_across_dp": num_tokens_across_dp,
         "cudagraph_runtime_mode": aclgraph_runtime_mode,
         "batch_descriptor": batch_descriptor,
         "skip_compiled": skip_compiled,
     }
+    if vllm_version_is("0.18.0"):
+        forward_context_kwargs["virtual_engine"] = virtual_engine
 
     with set_forward_context(**forward_context_kwargs):
         forward_context = get_forward_context()
diff --git a/vllm_ascend/ops/mla.py b/vllm_ascend/ops/mla.py
index 4da2507e..1d420a14 100644
--- a/vllm_ascend/ops/mla.py
+++ b/vllm_ascend/ops/mla.py
@@ -33,7 +33,7 @@ from vllm.v1.attention.backend import AttentionMetadata  # type: ignore
 
 from vllm_ascend.ascend_config import get_ascend_config
 from vllm_ascend.ascend_forward_context import _EXTRA_CTX
-from vllm_ascend.utils import is_vl_model, parse_layer_idx
+from vllm_ascend.utils import is_vl_model, parse_layer_idx, vllm_version_is
 
 
 class IndexerWrapper(nn.Module):
@@ -183,7 +183,7 @@ def mla_forward(
         attn_metadata = forward_context.attn_metadata[self.mla_attn.layer_name]
     else:
         attn_metadata = forward_context.attn_metadata
-    kv_cache = self.mla_attn.kv_cache[forward_context.virtual_engine]
+    kv_cache = self.mla_attn.kv_cache[forward_context.virtual_engine if vllm_version_is("0.18.0") else 0]
     self.mla_attn.impl.forward(
         self.mla_attn.layer_name, hidden_states, kv_cache, attn_metadata, need_gather_q_kv, output
     )
diff --git a/vllm_ascend/patch/worker/patch_qwen3_5.py b/vllm_ascend/patch/worker/patch_qwen3_5.py
index 0aa9bce6..748438fb 100644
--- a/vllm_ascend/patch/worker/patch_qwen3_5.py
+++ b/vllm_ascend/patch/worker/patch_qwen3_5.py
@@ -29,7 +29,7 @@ from vllm.v1.attention.backends.utils import PAD_SLOT_ID
 from vllm_ascend.attention.utils import maybe_save_kv_layer_to_connector
 from vllm_ascend.ops.triton.fla.sigmoid_gating import fused_sigmoid_gating_delta_rule_update
 from vllm_ascend.ops.triton.fused_gdn_gating import fused_gdn_gating_patch
-from vllm_ascend.utils import enable_sp
+from vllm_ascend.utils import enable_sp, vllm_version_is
 
 
 class AscendQwen3_5GatedDeltaNet(Qwen3_5GatedDeltaNet):
@@ -66,7 +66,7 @@ class AscendQwen3_5GatedDeltaNet(Qwen3_5GatedDeltaNet):
         non_spec_token_indx = attn_metadata.non_spec_token_indx
         spec_state_indices_tensor = attn_metadata.spec_state_indices_tensor  # noqa: E501
         non_spec_state_indices_tensor = attn_metadata.non_spec_state_indices_tensor  # noqa: E501
-        self_kv_cache = self.kv_cache[forward_context.virtual_engine]
+        self_kv_cache = self.kv_cache[forward_context.virtual_engine if vllm_version_is("0.18.0") else 0]
         conv_state = self_kv_cache[0].transpose(-1, -2)
         ssm_state = self_kv_cache[1]
         num_actual_tokens = attn_metadata.num_actual_tokens
diff --git a/vllm_ascend/patch/worker/patch_qwen3_next.py b/vllm_ascend/patch/worker/patch_qwen3_next.py
index d458aefc..bbbeb8bb 100644
--- a/vllm_ascend/patch/worker/patch_qwen3_next.py
+++ b/vllm_ascend/patch/worker/patch_qwen3_next.py
@@ -32,7 +32,7 @@ from vllm.v1.attention.backends.utils import PAD_SLOT_ID
 from vllm_ascend.attention.utils import maybe_save_kv_layer_to_connector
 from vllm_ascend.ops.triton.fla.fused_qkvzba_split_reshape import fused_qkvzba_split_reshape_cat
 from vllm_ascend.ops.triton.fused_gdn_gating import fused_gdn_gating_patch
-from vllm_ascend.utils import enable_sp
+from vllm_ascend.utils import enable_sp, vllm_version_is
 
 
 class AscendQwen3Next_GatedDeltaNet(Qwen3NextGatedDeltaNet):
@@ -124,7 +124,7 @@ class AscendQwen3Next_GatedDeltaNet(Qwen3NextGatedDeltaNet):
         non_spec_token_indx = attn_metadata.non_spec_token_indx
         spec_state_indices_tensor = attn_metadata.spec_state_indices_tensor  # noqa: E501
         non_spec_state_indices_tensor = attn_metadata.non_spec_state_indices_tensor  # noqa: E501
-        self_kv_cache = self.kv_cache[forward_context.virtual_engine]
+        self_kv_cache = self.kv_cache[forward_context.virtual_engine if vllm_version_is("0.18.0") else 0]
         conv_state = self_kv_cache[0].transpose(-1, -2)
         ssm_state = self_kv_cache[1]
         num_actual_tokens = attn_metadata.num_actual_tokens
diff --git a/vllm_ascend/platform.py b/vllm_ascend/platform.py
index bf460a83..c6f6f852 100644
--- a/vllm_ascend/platform.py
+++ b/vllm_ascend/platform.py
@@ -551,7 +551,7 @@ class NPUPlatform(Platform):
         attn_metadata: dict[str, Any],
         vllm_config: VllmConfig,
         dp_metadata,
-        virtual_engine: int = 0,
+        virtual_engine: int = 0,  # ToDo:: Remove me when upgrade to vllm 0.19.0 from 0.18.0
         num_tokens: int = 0,
         num_tokens_across_dp: torch.Tensor | None = None,
         cudagraph_runtime_mode=None,