diff --git a/src/registrar/models/domain.py b/src/registrar/models/domain.py
index 94924a698..780c61435 100644
--- a/src/registrar/models/domain.py
+++ b/src/registrar/models/domain.py
@@ -211,8 +211,16 @@ class Domain(TimeStampedModel, DomainHelper):
 
     @Cache
     def registry_expiration_date(self) -> date:
-        """Get or set the `ex_date` element from the registry."""
-        return self._get_property("ex_date")
+        """Get or set the `ex_date` element from the registry.
+        Additionally, update the expiration date in the registrar"""
+        try:
+            self.expiration_date = self._get_property("ex_date")
+            self.save()
+            return self.expiration_date
+        except Exception as e:
+            # exception raised during the save to registrar
+            logger.error(f"error updating expiration date in registrar: {e}")
+            raise (e)
 
     @registry_expiration_date.setter  # type: ignore
     def registry_expiration_date(self, ex_date: date):