diff --git a/.github/workflows/openclaw-performance.yml b/.github/workflows/openclaw-performance.yml
index 188752c6111..aa63889148b 100644
--- a/.github/workflows/openclaw-performance.yml
+++ b/.github/workflows/openclaw-performance.yml
@@ -45,7 +45,7 @@ on:
       kova_ref:
         description: openclaw/Kova Git ref to install
         required: false
-        default: 4f146016583018bad9e24f8e64a6af5f963bb7ee
+        default: b20d3b35118841db050a14f241098169aff4b9a2
         type: string
       dispatch_id:
         description: Optional parent workflow dispatch identifier
@@ -105,7 +105,7 @@ jobs:
             include_filters: "scenario:agent-cold-warm-message"
             expected_release_entries: "agent-cold-warm-message:mock-openai-provider"
     env:
-      KOVA_REF: ${{ inputs.kova_ref || '4f146016583018bad9e24f8e64a6af5f963bb7ee' }}
+      KOVA_REF: ${{ inputs.kova_ref || 'b20d3b35118841db050a14f241098169aff4b9a2' }}
       KOVA_HOME: ${{ github.workspace }}/.artifacts/kova/home/${{ matrix.lane }}
       PERFORMANCE_HELPER_DIR: ${{ github.workspace }}/.artifacts/performance-workflow
       REPORT_DIR: ${{ github.workspace }}/.artifacts/kova/reports/${{ matrix.lane }}
diff --git a/test/scripts/openclaw-performance-workflow.test.ts b/test/scripts/openclaw-performance-workflow.test.ts
index 97418f87fb8..b95cc90fed7 100644
--- a/test/scripts/openclaw-performance-workflow.test.ts
+++ b/test/scripts/openclaw-performance-workflow.test.ts
@@ -55,7 +55,7 @@ describe("OpenClaw performance workflow", () => {
 
   it("pins the Kova evaluator that reads agent payloads", () => {
     const workflow = readFileSync(WORKFLOW, "utf8");
-    const kovaRef = "4f146016583018bad9e24f8e64a6af5f963bb7ee";
+    const kovaRef = "b20d3b35118841db050a14f241098169aff4b9a2";
 
     expect(workflow).toContain(`default: ${kovaRef}`);
     expect(workflow).toContain(`inputs.kova_ref || '${kovaRef}'`);