diff --git a/Cargo.toml b/Cargo.toml
index 2123178..6ca75b3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "alktty"
 version = "0.4.0"
 edition = "2021"
-rust-version = "1.85"
+rust-version = "1.88"
 license = "MIT OR Apache-2.0"
 description = "Terminal session protocol: wire format, TtyBackend trait, TtyAdapter, and typed consumer client. Producer/consumer protocol crate on top of alkcall channels."
 repository = "https://git.alk.dev/alkdev/alktty"