diff --git a/Cargo.toml b/Cargo.toml
index 62915175..0186af40 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,12 +8,14 @@ edition = "2018"
 bootloader = "0.3.12"
 volatile = "0.2.3"
 spin = "0.4.9"
-array-init = "0.0.3"
 
 [dependencies.lazy_static]
 version = "1.0"
 features = ["spin_no_std"]
 
+[dev-dependencies]
+array-init = "0.0.3"
+
 [profile.dev]
 panic = "abort"