diff --git a/zusi-protocol/Cargo.toml b/zusi-protocol/Cargo.toml
index ca61b7a..728b3e7 100644
--- a/zusi-protocol/Cargo.toml
+++ b/zusi-protocol/Cargo.toml
@@ -13,7 +13,7 @@ thiserror = "1"
 log = "0.4"
 zusi-protocol-derive = { path = "../zusi-protocol-derive", version = "0.1.2", optional = true }
 nom = { version = "7", optional = true }
-either = { version = "1.10", optional = true }
+either = { version = "1.11", optional = true }
 
 [features]
 default = ["derive"]
diff --git a/zusi/Cargo.toml b/zusi/Cargo.toml
index fb4d257..6c7dab9 100644
--- a/zusi/Cargo.toml
+++ b/zusi/Cargo.toml
@@ -30,7 +30,7 @@ harness = false
 required-features = ["fahrpult", "async"]
 
 [dependencies]
-either = "1.10"
+either = "1.11"
 zusi-fahrpult = { path = "../zusi-fahrpult", optional = true, version = "0.1.5" }
 zusi-protocol = { path = "../zusi-protocol", version = "0.2.1" }
 thiserror = "1"