diff --git a/Cargo.toml b/Cargo.toml
index 41f7c33..a4e4e82 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,7 +38,7 @@ bitcoin_hashes = { version = "1.0.0", default-features = false }
 hex-conservative = { version = "1.1.0", default-features = false }
 serde = { version = "1.0.228", features = ["derive"], optional = true }
 hashbrown = { version = "0.16.1", default-features = false }
-bitcoin-io = { version = "0.5.0", default-features = false, features = ["alloc"] }
+bitcoin-io = { version = "0.6.0", default-features = false, features = ["alloc"] }
 
 # These pins are necessary for `no_std`:
 #