diff --git a/src/app/components/ContributionHeatmap.tsx b/src/app/components/ContributionHeatmap.tsx
index 0a7526a..81482de 100644
--- a/src/app/components/ContributionHeatmap.tsx
+++ b/src/app/components/ContributionHeatmap.tsx
@@ -43,10 +43,13 @@ export default function ContributionHeatmap() {
         const data: HeatmapData[] = await res.json();
         const map = new Map<string, number>();
         let total = 0;
+        let maxContribs = 0;
         data.forEach((item) => {
           const d = new Date(item.timestamp * 1000);
           const dateStr = d.getFullYear() + "-" + String(d.getMonth() + 1).padStart(2, "0") + "-" + String(d.getDate()).padStart(2, "0");
-          map.set(dateStr, (map.get(dateStr) || 0) + item.contributions);
+          const currentDayTotal = (map.get(dateStr) || 0) + item.contributions;
+          map.set(dateStr, currentDayTotal);
+          if (currentDayTotal > maxContribs) maxContribs = currentDayTotal;
           total += item.contributions;
         });
 
@@ -64,10 +67,12 @@ export default function ContributionHeatmap() {
           const contribs = map.get(dateStr) || 0;
           
           let level = 0;
-          if (contribs > 0) level = 1;
-          if (contribs >= 3) level = 2;
-          if (contribs >= 6) level = 3;
-          if (contribs >= 10) level = 4;
+          if (contribs > 0) {
+            level = 1;
+            if (contribs > maxContribs * 0.25) level = 2;
+            if (contribs > maxContribs * 0.5) level = 3;
+            if (contribs > maxContribs * 0.75) level = 4;
+          }
 
           currentWeek.push({ date: dateStr, contribs, level });