diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs
index 8f404d7153019..25cd8e6e29d3c 100644
--- a/library/core/src/slice/iter.rs
+++ b/library/core/src/slice/iter.rs
@@ -298,13 +298,13 @@ impl<'a, T> IterMut<'a, T> {
     /// // Now `as_slice` returns "[2, 3]":
     /// assert_eq!(iter.as_slice(), &[2, 3]);
     /// ```
-    #[stable(feature = "slice_iter_mut_as_slice", since = "1.52.0")]
+    #[stable(feature = "slice_iter_mut_as_slice", since = "1.53.0")]
     pub fn as_slice(&self) -> &[T] {
         self.make_slice()
     }
 }
 
-#[stable(feature = "slice_iter_mut_as_slice", since = "1.52.0")]
+#[stable(feature = "slice_iter_mut_as_slice", since = "1.53.0")]
 impl<T> AsRef<[T]> for IterMut<'_, T> {
     fn as_ref(&self) -> &[T] {
         self.as_slice()