diff --git a/src/main.rs b/src/main.rs
index 161e8b6e804d279fb58e45b261c1695c0e30ec9c..365b11159a34584c72c63d3b511f8b90ff4cd741 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -29,7 +29,7 @@ mod app {
     use crate::spi_data::{self, SpiData};
 
     // in # packets
-    const BUFFER_LEN: usize = 50;
+    const BUFFER_LEN: usize = 150;
 
     // in bytes
     // explicitly make this smaller than a packet so that we don't buffer things in the tx DMA for a while