diff --git a/Cargo.toml b/Cargo.toml
index f3ab685..21a45bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,8 +10,6 @@ keywords = ["crypto", "ecdsa", "ecdh", "secure-enclave"]
 categories = ["cryptography"]
 
 [dependencies]
+hex = "0.4.3"
 base64 = "0.22.1"
 rust_util = "0.6.47"
-
-[dev-dependencies]
-hex = "0.4.3"