diff --git a/Cargo.toml b/Cargo.toml
index 6f46a2b..a90e5c2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ tracing = "^0.1.37"
 urlencoding = "2.1.3"
 uuid = { version = "^1.4.1", features = [ "v4", "serde" ] }
 os-release = "^0.1.0"
-hostname = "^0.3.1"
+hostname = "^0.4.0"
 openssl = "^0.10.55"
 compact_jwt = { version = "0.3.5", optional = true }
 kanidm-hsm-crypto = { version = "^0.2.0", optional = true }