diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs
index ba837ea9a7898fbebbd11e88fca8867a257f3e46..2f9afbec91e98686c2b649e6f5fe62f1d7a0af80 100644
--- a/library/core/src/intrinsics.rs
+++ b/library/core/src/intrinsics.rs
@@ -1144,7 +1144,7 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
     /// }
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_transmute", since = "1.46.0")]
+    #[rustc_const_stable(feature = "const_transmute", since = "1.56.0")]
     #[rustc_diagnostic_item = "transmute"]
     pub fn transmute<T, U>(e: T) -> U;