diff --git a/Cargo.toml b/Cargo.toml
index bf6ffcc..ad5a777 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.2.0"
 description = "signet builder example"
 
 edition = "2024"
-rust-version = "1.85"
+rust-version = "1.87"
 authors = ["init4"]
 license = "Apache-2.0 OR MIT"
 homepage = "https://github.com/init4tech/builder"