diff --git a/docker/npu.Dockerfile b/docker/npu.Dockerfile
index 3755edcf8..902451b24 100644
--- a/docker/npu.Dockerfile
+++ b/docker/npu.Dockerfile
@@ -16,8 +16,6 @@ ARG TORCHVISION_VERSION="0.25.0"
 ARG TORCHAUDIO_VERSION="2.10.0"
 ARG PTA_URL_ARM64="https://gitcode.com/Ascend/pytorch/releases/download/v26.0.0-pytorch2.10.0/torch_npu-2.10.0-cp311-cp311-manylinux_2_28_aarch64.whl"
 ARG PTA_URL_AMD64="https://gitcode.com/Ascend/pytorch/releases/download/v26.0.0-pytorch2.10.0/torch_npu-2.10.0-cp311-cp311-manylinux_2_28_x86_64.whl"
-ARG TRITON_URL_ARM64="https://gitcode.com/Ascend/triton-ascend/releases/download/v3.2.1/triton_ascend-3.2.1-cp311-cp311-manylinux_2_27_aarch64.manylinux_2_28_aarch64.whl"
-ARG TRITON_URL_AMD64="https://gitcode.com/Ascend/triton-ascend/releases/download/v3.2.1/triton_ascend-3.2.1-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl"
 ARG SGLANG_TAG=main
 ARG ASCEND_CANN_PATH=/usr/local/Ascend/ascend-toolkit
 ARG SGLANG_KERNEL_NPU_TAG=main
@@ -28,11 +26,9 @@ ARG DEVICE_TYPE
 RUN if [ "$TARGETARCH" = "amd64" ]; then \
       echo "Using x86_64 dependencies"; \
       echo "PTA_URL=$PTA_URL_AMD64" >> /etc/environment_new; \
-      echo "TRITON_URL=$TRITON_URL_AMD64" >> /etc/environment_new; \
     elif [ "$TARGETARCH" = "arm64" ]; then \
       echo "Using aarch64 dependencies"; \
       echo "PTA_URL=$PTA_URL_ARM64" >> /etc/environment_new; \
-      echo "TRITON_URL=$TRITON_URL_ARM64" >> /etc/environment_new; \
     else \
       echo "Unsupported TARGETARCH: $TARGETARCH"; exit 1; \
     fi
@@ -94,9 +90,8 @@ RUN . /etc/environment_new && \
 
 
 ## Install triton-ascend
-RUN . /etc/environment_new && \
-    (${PIP_INSTALL} pybind11) && \
-    (${PIP_INSTALL} ${TRITON_URL})
+RUN (${PIP_INSTALL} pybind11) && \
+    (${PIP_INSTALL} triton-ascend==3.2.1.dev20260530 --extra-index-url=https://mirrors.huaweicloud.com/ascend/repos/pypi/nightly --trusted-host triton-ascend.osinfra.cn)
 
 # Install SGLang (editable mode to preserve source and git history)
 RUN git clone https://github.com/sgl-project/sglang --branch $SGLANG_TAG /sgl-workspace/sglang && \
diff --git a/scripts/ci/npu/npu_ci_install_dependency.sh b/scripts/ci/npu/npu_ci_install_dependency.sh
index 12d4f1521..c6bfbf797 100755
--- a/scripts/ci/npu/npu_ci_install_dependency.sh
+++ b/scripts/ci/npu/npu_ci_install_dependency.sh
@@ -58,7 +58,7 @@ ${PIP_INSTALL} ${PTA_URL}
 ${UV_PIP_INSTALL} memfabric-zbal==1.1.1
 
 ### Install Triton-Ascend
-${PIP_INSTALL} "https://gitcode.com/Ascend/triton-ascend/releases/download/v3.2.1/triton_ascend-3.2.1-cp311-cp311-manylinux_2_27_aarch64.manylinux_2_28_aarch64.whl"
+${PIP_INSTALL} triton-ascend==3.2.1.dev20260530 --extra-index-url=https://mirrors.huaweicloud.com/ascend/repos/pypi/nightly --trusted-host triton-ascend.osinfra.cn
 
 
 ### Install sgl-kernel-npu