diff --git a/src/betterproto/enum.py b/src/betterproto/enum.py
index 52983225..5302d45c 100644
--- a/src/betterproto/enum.py
+++ b/src/betterproto/enum.py
@@ -156,6 +156,12 @@ def __delattr__(self, item: Any) -> Never:
             f"{self.__class__.__name__} Cannot delete a member's attributes."
         )
 
+    def __copy__(self) -> Self:
+        return self
+
+    def __deepcopy__(self, memo: Any) -> Self:
+        return self
+
     @classmethod
     def try_value(cls, value: int = 0) -> Self:
         """Return the value which corresponds to the value.