diff --git a/Cargo.toml b/Cargo.toml
index 3c96aa366..c2cb51b76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -127,7 +127,7 @@ utxo = { path = "utxo" }
 
 [workspace.package]
 edition = "2024"
-rust-version = "1.88"
+rust-version = "1.91"
 version = "1.3.0"
 license = "MIT"