diff --git a/rust/arduino/Cargo.toml b/rust/arduino/Cargo.toml
index f424b78..84f5d5f 100644
--- a/rust/arduino/Cargo.toml
+++ b/rust/arduino/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
-panic-halt = "0.2.0"
+panic-halt = "1.0.0"
 avr-device = { version = "0.5.4", features = ["atmega328p"] }
 arduino-hal = { git = "https://github.com/Rahix/avr-hal", features = ["arduino-uno"], rev = "1aacefb335517f85d0de858231e11055d9768cdf" }
 ufmt = "0.2.0"