diff --git a/inferencex-e2e/benchmarks/single_node/srt-slurm-recipes/glm5.2/sglang/mi355x-fp4-mtp/agentic.yaml b/inferencex-e2e/benchmarks/single_node/srt-slurm-recipes/glm5.2/sglang/mi355x-fp4-mtp/agentic.yaml
index 06ef42e6a0..6ee2d37d93 100644
--- a/inferencex-e2e/benchmarks/single_node/srt-slurm-recipes/glm5.2/sglang/mi355x-fp4-mtp/agentic.yaml
+++ b/inferencex-e2e/benchmarks/single_node/srt-slurm-recipes/glm5.2/sglang/mi355x-fp4-mtp/agentic.yaml
@@ -4,7 +4,7 @@ base:
   name: glm5.2-fp4-mi355x-sglang-agentic
   model:
     path: hf:amd/GLM-5.2-MXFP4
-    container: lmsysorg/sglang-rocm:v0.5.20-rocm720-mi35x-20260930
+    container: lmsysorg/sglang-rocm:v0.5.21-rocm720-mi35x-20261008
     precision: fp4
   resources:
     gpu_type: mi355x
diff --git a/inferencex-e2e/configs/amd-master.yaml b/inferencex-e2e/configs/amd-master.yaml
index e0ed3d6b51..da81ec2ba4 100644
--- a/inferencex-e2e/configs/amd-master.yaml
+++ b/inferencex-e2e/configs/amd-master.yaml
@@ -1400,7 +1400,7 @@ dsv4-fp4-mi355x-atom-disagg-agentic-lmcache-dspark:
 #     c4 intentionally overlaps both arms to compare the topology crossover.
 # SA selects the Pareto-optimal arm per concurrency point.
 glm5.2-fp4-mi355x-sglang-agentic-mtp:
-  image: lmsysorg/sglang-rocm:v0.5.20-rocm720-mi35x-20260930
+  image: lmsysorg/sglang-rocm:v0.5.21-rocm720-mi35x-20261008
   model: amd/GLM-5.2-MXFP4
   model-prefix: glm5.2
   runner: cluster:mi355x-amds
diff --git a/inferencex-e2e/perf-changelog.yaml b/inferencex-e2e/perf-changelog.yaml
index 2334965697..26347e22d7 100644
--- a/inferencex-e2e/perf-changelog.yaml
+++ b/inferencex-e2e/perf-changelog.yaml
@@ -9538,3 +9538,12 @@
     - "Run prefill context parallelism on the TP-only arms at conc 16, 32 and 48; conc 1 and 4 keep BCG."
     - "Enable SGLANG_OPT_FP8_WO_A_FUSED_INVROPE."
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/3778
+
+- config-keys:
+    - glm5.2-fp4-mi355x-sglang-agentic-mtp
+  scenario-type:
+    - agentic-coding
+  description:
+    - "Update the GLM-5.2 MXFP4 MI355X SGLang AgentX image from lmsysorg/sglang-rocm:v0.5.20-rocm720-mi35x-20260930 to lmsysorg/sglang-rocm:v0.5.21-rocm720-mi35x-20261008."
+    - "Keep the master image and model.container aligned; preserve Top-K v2, MTP, draft precision settings, TP/EP layouts, HiCache settings, concurrency, trace workload and evaluation selection."
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/3851