diff --git a/Cargo.toml b/Cargo.toml
index 891e781d..a3168072 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,7 @@ edition = "2021"
 authors = [
     "Stefano Pigozzi <me@steffo.eu>"
 ]
+rust-version = "1.71.0"
 
 [dependencies]
 anyhow = "1.0.86"