diff --git a/libs/community/langchain_community/chat_message_histories/dynamodb.py b/libs/community/langchain_community/chat_message_histories/dynamodb.py
index 4429d2e1f1b85..2f1c18c45cddf 100644
--- a/libs/community/langchain_community/chat_message_histories/dynamodb.py
+++ b/libs/community/langchain_community/chat_message_histories/dynamodb.py
@@ -103,7 +103,7 @@ def __init__(
             )
 
     @property
-    def messages(self) -> List[BaseMessage]:  # type: ignore
+    def messages(self) -> List[BaseMessage]:
         """Retrieve the messages from DynamoDB"""
         try:
             from botocore.exceptions import ClientError
@@ -129,6 +129,13 @@ def messages(self) -> List[BaseMessage]:  # type: ignore
         messages = messages_from_dict(items)
         return messages
 
+    @messages.setter
+    def messages(self, messages: List[BaseMessage]) -> None:
+        raise NotImplementedError(
+            "Direct assignment to 'messages' is not allowed."
+            " Use the 'add_messages' instead."
+        )
+
     def add_message(self, message: BaseMessage) -> None:
         """Append the message to the record in DynamoDB"""
         try:
diff --git a/libs/community/langchain_community/chat_message_histories/elasticsearch.py b/libs/community/langchain_community/chat_message_histories/elasticsearch.py
index bbd621b98d9cc..b164f0e68928b 100644
--- a/libs/community/langchain_community/chat_message_histories/elasticsearch.py
+++ b/libs/community/langchain_community/chat_message_histories/elasticsearch.py
@@ -141,7 +141,7 @@ def connect_to_elasticsearch(
         return es_client
 
     @property
-    def messages(self) -> List[BaseMessage]:  # type: ignore[override]
+    def messages(self) -> List[BaseMessage]:
         """Retrieve the messages from Elasticsearch"""
         try:
             from elasticsearch import ApiError
@@ -165,6 +165,13 @@ def messages(self) -> List[BaseMessage]:  # type: ignore[override]
 
         return messages_from_dict(items)
 
+    @messages.setter
+    def messages(self, messages: List[BaseMessage]) -> None:
+        raise NotImplementedError(
+            "Direct assignment to 'messages' is not allowed."
+            " Use the 'add_messages' instead."
+        )
+
     def add_message(self, message: BaseMessage) -> None:
         """Add a message to the chat session in Elasticsearch"""
         try: