diff --git a/Cargo.lock b/Cargo.lock
index b1492b0..47167af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -772,7 +772,7 @@ dependencies = [
 
 [[package]]
 name = "geode_piano"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "byte-slice-cast 1.2.2",
  "cortex-m",
diff --git a/Cargo.toml b/Cargo.toml
index 261e44f..cfefc0b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "geode_piano"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 license = "GPL-3.0-only"
 
diff --git a/src/matrix.rs b/src/matrix.rs
index 4226dd9..8cfaf25 100644
--- a/src/matrix.rs
+++ b/src/matrix.rs
@@ -115,10 +115,10 @@ impl<const N_ROWS: usize, const N_COLS: usize> KeyMatrix<N_ROWS, N_COLS> {
                                     // millisecond duration of keypress
                                     let dur =
                                         note_first[note as usize].unwrap().elapsed().as_millis();
-                                    let velocity: u8 = if dur <= 80 {
-                                        (127 - dur) as u8
+                                    let velocity: u8 = if dur <= 60 {
+                                        (127 - dur * 6 / 5) as u8
                                     } else {
-                                        (127 - min(dur, 250) / 5 - 70) as u8
+                                        (127 - min(dur, 240) / 4 - 60) as u8
                                     };
                                     defmt::debug!("{} velocity {} from dur {}ms", note, velocity, dur);
                                     note_on[note as usize] = true;
diff --git a/src/usb.rs b/src/usb.rs
index 273c0ec..4a0f43d 100644
--- a/src/usb.rs
+++ b/src/usb.rs
@@ -50,7 +50,7 @@ pub async fn usb_task(
     let mut config = Config::new(0xdead, 0xbeef);
     config.manufacturer = Some("dogeystamp");
     config.product = Some("Geode-Piano MIDI keyboard");
-    config.serial_number = Some("0.2.0");
+    config.serial_number = Some("0.2.1");
     config.max_power = 100;
     config.max_packet_size_0 = 64;