diff --git a/Cargo.toml b/Cargo.toml
index a262a9e..15a8aea 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ keywords = ["axum", "htmx"]
 readme = "README.md"
 version = "0.8.0"
 edition = "2024"
+rust-version = "1.87"
 
 [features]
 default = []