diff --git a/Cargo.toml b/Cargo.toml
index f8941de..b92c6c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,7 +44,7 @@ bitflags = "1.0.4"
 [dev-dependencies]
 cortex-m = "0.6.0"
 cortex-m-rt = "0.6.8"
-cortex-m-semihosting = "0.3.3"
+cortex-m-semihosting = "0.4.0"
 stm32f4xx-hal = { version = "0.7.0", features = ["stm32f401"] }
 panic-semihosting = "0.5.2"