diff --git a/inferencex-e2e/configs/nvidia-master.yaml b/inferencex-e2e/configs/nvidia-master.yaml
index ba48d18e77..49ec718e50 100644
--- a/inferencex-e2e/configs/nvidia-master.yaml
+++ b/inferencex-e2e/configs/nvidia-master.yaml
@@ -9987,7 +9987,7 @@ musespark-fp4-gb300-sglang-agentic-dflash:
       - { tp: 4, ep: 4, kv-offloading: dram, kv-offload-backend: { name: hicache }, spec-decoding: draft_model, conc-list: [24, 28, 30, 34, 44, 48], srt-recipe: agentic.yaml }
 
 musespark-fp4-gb300-dynamo-sglang-agentic-dflash:
-  image: lmsysorg/sglang:dev-muse-spark-open@sha256:8cfc5a72cb296771f5f8a4a4688cb6d05685610a830cbb616fa4ab0eb7bb2b0a
+  image: lmsysorg/sglang:nightly-dev-20261026-8252e3af@sha256:b4e4abb9e1dc038f7e14c85805be97e4f74abb46e541bd4edd31401d50a2e593
   model: meta-models/Muse-Spark-Open-816B-A42B-NVFP4
   model-prefix: musespark
   runner: cluster:gb300-nv
diff --git a/inferencex-e2e/perf-changelog.yaml b/inferencex-e2e/perf-changelog.yaml
index 18e8e72c5c..60b97ef354 100644
--- a/inferencex-e2e/perf-changelog.yaml
+++ b/inferencex-e2e/perf-changelog.yaml
@@ -11556,3 +11556,10 @@
     - "Disagg: 6 DEP2 prefill workers with a DEP8 decode at conc 280-360 or a DEP16 decode at conc 300; DeepGEMM MegaMoE, NIXL transfer plus a shared MooncakeStore DRAM pool (160 GB per rank), Dynamo KV router."
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/4468
   scenario-type: [agentic-coding]
+
+- config-keys:
+    - musespark-fp4-gb300-dynamo-sglang-agentic-dflash
+  description:
+    - "Update the SGLang image from dev-muse-spark-open to nightly-dev-20261026-8252e3af, pinned by digest."
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/4561
+  scenario-type: [agentic-coding]