diff --git a/library/core/src/num/error.rs b/library/core/src/num/error.rs
index 6ef2fdd14c149..a5242d60bf14d 100644
--- a/library/core/src/num/error.rs
+++ b/library/core/src/num/error.rs
@@ -79,7 +79,7 @@ pub struct ParseIntError {
 /// # }
 /// ```
 #[stable(feature = "int_error_matching", since = "1.55.0")]
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Debug, Clone, PartialEq, Eq, Copy, Hash)]
 #[non_exhaustive]
 pub enum IntErrorKind {
     /// Value being parsed is empty.