diff --git a/salsa-2022-tests/Cargo.toml b/salsa-2022-tests/Cargo.toml
index 6fb25b9..6ac555c 100644
--- a/salsa-2022-tests/Cargo.toml
+++ b/salsa-2022-tests/Cargo.toml
@@ -12,3 +12,4 @@ parking_lot = "0.12.1"
 test-log = "0.2.11"
 env_logger = "*"
 trybuild = "1.0"
+rustversion = "1.0"
diff --git a/salsa-2022-tests/tests/compile_fail.rs b/salsa-2022-tests/tests/compile_fail.rs
index db50dfd..116dd9f 100644
--- a/salsa-2022-tests/tests/compile_fail.rs
+++ b/salsa-2022-tests/tests/compile_fail.rs
@@ -1,3 +1,4 @@
+#[rustversion::stable]
 #[test]
 fn compile_fail() {
     let t = trybuild::TestCases::new();