diff --git a/scripts/upload-bench.ts b/scripts/upload-bench.ts
index d076fc3fff2b..6a30795ef1e0 100644
--- a/scripts/upload-bench.ts
+++ b/scripts/upload-bench.ts
@@ -89,8 +89,8 @@ const uploadBench = async () => {
       console.log('skip uploading results to github');
       return;
     }
-    const [[base]]: any[] = await appTable.query({
-      query: `SELECT * FROM \`storybook-benchmark.benchmark_results.bench2\` WHERE branch=@baseBranch AND label=@templateKey ORDER BY timestamp DESC LIMIT 1;`,
+    const [base]: any[] = await appTable.query({
+      query: `SELECT * FROM \`storybook-benchmark.benchmark_results.bench2\` WHERE branch=@baseBranch AND label=@templateKey ORDER BY timestamp DESC LIMIT 20;`,
       params: { baseBranch, templateKey },
     });
 
@@ -101,7 +101,7 @@ const uploadBench = async () => {
             owner: 'storybookjs',
             repo: 'storybook',
             issueNumber: prNumber,
-            base: { ...defaults, ...base },
+            base: base.map((b: any) => ({ ...defaults, ...b })),
             head: row,
           }),
         })