diff --git a/Cargo.toml b/Cargo.toml
index e50313a..5c4316b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "icarus_auth"
 version = "0.1.1"
 edition = "2024"
+rust-version = "1.85"
 
 [dependencies]
 axum = { version = "0.8.3" }