diff --git a/blink/Cargo.toml b/blink/Cargo.toml
index 11f8d81..009ceb6 100644
--- a/blink/Cargo.toml
+++ b/blink/Cargo.toml
@@ -15,7 +15,7 @@ embedded-time = "0.12"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 rp2040-hal = { version="0.8", features=["rt"] }
 rp2040-boot2 = "0.3"
-defmt = "0.3"
+defmt = "1.0"
 defmt-rtt = "0.4"
 embedded-hal ="0.2"
 panic-halt = "0.2"