diff --git a/explore/server.ts b/explore/server.ts
index 44c2dc4c..277d77c8 100644
--- a/explore/server.ts
+++ b/explore/server.ts
@@ -53,7 +53,7 @@ const histogram =  new prom.Histogram({
   help: 'Explore Histogram',
   labelNames: ['route'],
   registers: [register],
-  buckets: [0.5, 1, 5, 10]
+  buckets: [0.5, 1, 2, 3, 4, 5]
 });
 
 app.engine('html', (_, options:RenderOptions, callback) => {