diff --git a/apps/web/src/components/DiffPanel.tsx b/apps/web/src/components/DiffPanel.tsx
index 3b77edda2eb5210422975cf866dd3a3c551dba9f..39abdec36652fae3f389214675ab0c891f623beb 100644
--- a/apps/web/src/components/DiffPanel.tsx
+++ b/apps/web/src/components/DiffPanel.tsx
@@ -61,6 +61,14 @@ const DIFF_PANEL_UNSAFE_CSS = `
   color: var(--foreground) !important;
 }
 
+[data-diffs-header] {
+  position: sticky !important;
+  top: 0;
+  z-index: 4;
+  background-color: color-mix(in srgb, var(--card) 94%, var(--foreground)) !important;
+  border-bottom: 1px solid var(--border) !important;
+}
+
 [data-title] {
   cursor: pointer;
   transition: