diff --git a/Cargo.toml b/Cargo.toml
index 9940326282..03f862c6ba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ resolver = "2"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 version = "0.38.0"
-rust-version = "1.74.0"
+rust-version = "1.81.0"
 license = "Apache-2.0 OR GPL-3.0"
 repository = "https://github.com/paritytech/subxt"
 documentation = "https://docs.rs/subxt"