diff --git a/Cargo.toml b/Cargo.toml
index 4a3d6fe..c1cfd6b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ modular-bitfield = "0.11.0"
 nb = {version = "1", optional = true}
 void = {version = "1", optional = true}
 
-defmt = { version = "0.2", optional = true}
+defmt = { version = "0.3", optional = true}
 log = { version = "0.4", default-features = false, optional = true }
 
 [dev-dependencies]