diff --git a/.github/configs/nvidia-master.yaml b/.github/configs/nvidia-master.yaml
index f1cec3c52..3d29d6759 100644
--- a/.github/configs/nvidia-master.yaml
+++ b/.github/configs/nvidia-master.yaml
@@ -4102,7 +4102,7 @@ minimaxm2.5-fp4-b300-vllm:
       - { tp: 8, conc-start: 4, conc-end: 4 }
 
 gptoss-fp4-h100-vllm:
-  image: vllm/vllm-openai:v0.18.0
+  image: vllm/vllm-openai:v0.20.2
   model: openai/gpt-oss-120b
   model-prefix: gptoss
   runner: h100
diff --git a/perf-changelog.yaml b/perf-changelog.yaml
index ac8269ef2..94f1dbd6a 100644
--- a/perf-changelog.yaml
+++ b/perf-changelog.yaml
@@ -2343,3 +2343,9 @@
   description:
     - "Add Qwen3.5-397B-A17B FP8 MI355X ATOM benchmark configs with and without MTP"
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/1310
+
+- config-keys:
+    - gptoss-fp4-h100-vllm
+  description:
+    - "Update vLLM image from v0.18.0 to v0.20.2"
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/XXX