spake2: update to hex-0.4

diff --git a/spake2/Cargo.toml b/spake2/Cargo.toml
index 3d930beef99072f00e4806e1c2944597eca360b7..55bea6d941afb3761556c2a4baeafa5402266524 100644 (file)
--- a/spake2/Cargo.toml
+++ b/spake2/Cargo.toml
@@ -30,7 +30,7 @@ curve25519-dalek = "1.2"
 rand = "0.6"
 sha2 = "0.8"
 hkdf = "0.8"
-hex = "0.3"
+hex = "0.4"
 
 [dev-dependencies]
 bencher = "0.1"