diff --git a/.github/workflows/_schedule_image_build.yaml b/.github/workflows/_schedule_image_build.yaml
index 6d24e926..dd425ca9 100644
--- a/.github/workflows/_schedule_image_build.yaml
+++ b/.github/workflows/_schedule_image_build.yaml
@@ -157,8 +157,8 @@ jobs:
           #      which follow the rule from vLLM with prefix v
           # TODO(yikun): the post release might be considered as latest release
           tags: |
-            type=ref,event=branch,suffix=${{ env.SUFFIX }}
-            type=ref,event=pr,suffix=${{ env.SUFFIX }}
+            type=ref,event=branch,prefix=nightly-,suffix=${{ env.SUFFIX }}
+            type=ref,event=pr,prefix=nightly-,suffix=${{ env.SUFFIX }}
             type=pep440,pattern={{raw}},suffix=${{ env.SUFFIX }}
           flavor:
             latest=false
diff --git a/.github/workflows/dockerfiles/Dockerfile.nightly.a2 b/.github/workflows/dockerfiles/Dockerfile.nightly.a2
index e56d392e..0073d8b0 100644
--- a/.github/workflows/dockerfiles/Dockerfile.nightly.a2
+++ b/.github/workflows/dockerfiles/Dockerfile.nightly.a2
@@ -15,7 +15,7 @@
 # This file is a part of the vllm-ascend project.
 #
 
-FROM quay.io/ascend/vllm-ascend:releases-v0.18.0
+FROM quay.io/ascend/vllm-ascend:nightly-releases-v0.18.0
 
 ARG PIP_INDEX_URL="https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple"
 ARG AIS_BENCH_TAG="v3.0-20250930-master"
diff --git a/.github/workflows/dockerfiles/Dockerfile.nightly.a3 b/.github/workflows/dockerfiles/Dockerfile.nightly.a3
index 8436c0f2..09dff744 100644
--- a/.github/workflows/dockerfiles/Dockerfile.nightly.a3
+++ b/.github/workflows/dockerfiles/Dockerfile.nightly.a3
@@ -15,7 +15,7 @@
 # This file is a part of the vllm-ascend project.
 #
 
-FROM quay.io/ascend/vllm-ascend:releases-v0.18.0-a3
+FROM quay.io/ascend/vllm-ascend:nightly-releases-v0.18.0-a3
 
 ARG PIP_INDEX_URL="https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple"
 ARG AIS_BENCH_TAG="v3.0-20250930-master"