diff --git a/packages/apollo-react/src/canvas/components/CanvasTooltip.tsx b/packages/apollo-react/src/canvas/components/CanvasTooltip.tsx
index 9564ef4c9..da17283ab 100644
--- a/packages/apollo-react/src/canvas/components/CanvasTooltip.tsx
+++ b/packages/apollo-react/src/canvas/components/CanvasTooltip.tsx
@@ -143,7 +143,7 @@ export function CanvasTooltip({
     <Tooltip open={effectiveOpen} onOpenChange={handleOpenChange} delayDuration={delay ? 700 : 200}>
       <TooltipTrigger asChild>{triggerWithHandlers}</TooltipTrigger>
       <TooltipPortal>
-        <TooltipContent side={placement} className="max-w-xs break-words">
+        <TooltipContent side={placement} className="z-1200 max-w-xs break-words">
           {content}
         </TooltipContent>
       </TooltipPortal>