diff --git a/library/core/src/num/wrapping.rs b/library/core/src/num/wrapping.rs
index 64cf7ac347a13..5353d900e7662 100644
--- a/library/core/src/num/wrapping.rs
+++ b/library/core/src/num/wrapping.rs
@@ -239,7 +239,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const AddAssign, add_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const AddAssign<$t> for Wrapping<$t> {
             #[inline]
@@ -272,7 +272,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const SubAssign, sub_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const SubAssign<$t> for Wrapping<$t> {
             #[inline]
@@ -305,7 +305,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const MulAssign, mul_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const MulAssign<$t> for Wrapping<$t> {
             #[inline]
@@ -338,7 +338,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const DivAssign, div_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const DivAssign<$t> for Wrapping<$t> {
             #[inline]
@@ -371,7 +371,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const RemAssign, rem_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const RemAssign<$t> for Wrapping<$t> {
             #[inline]
@@ -417,7 +417,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const BitXorAssign, bitxor_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const BitXorAssign<$t> for Wrapping<$t> {
             #[inline]
@@ -450,7 +450,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const BitOrAssign, bitor_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const BitOrAssign<$t> for Wrapping<$t> {
             #[inline]
@@ -483,7 +483,7 @@ macro_rules! wrapping_impl {
         }
         forward_ref_op_assign! { impl const BitAndAssign, bitand_assign for Wrapping<$t>, Wrapping<$t> }
 
-        #[stable(feature = "wrapping_int_assign_impl", since = "1.61.0")]
+        #[stable(feature = "wrapping_int_assign_impl", since = "1.60.0")]
         #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
         impl const BitAndAssign<$t> for Wrapping<$t> {
             #[inline]