diff --git a/embassy-boot/boot/Cargo.toml b/embassy-boot/boot/Cargo.toml
index f0810f41..f63ea92c 100644
--- a/embassy-boot/boot/Cargo.toml
+++ b/embassy-boot/boot/Cargo.toml
@@ -43,6 +43,7 @@ sha1 = "0.10.5"
 critical-section = { version = "1.1.1", features = ["std"] }
 
 [dev-dependencies.ed25519-dalek]
+version = "1.0.1"
 default_features = false
 features = ["rand", "std", "u32_backend"]