diff --git a/src/lib.rs b/src/lib.rs
index 292cbfb..c448a98 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -98,7 +98,7 @@
 #[cfg(feature = "parsing")]
 mod tt;
 
-#[cfg(all(procmacro2_unstable, feature = "parsing", feature = "printing"))]
+#[cfg(all(procmacro2_semver_exempt, feature = "parsing", feature = "printing"))]
 pub mod spanned;
 
 mod gen {