diff --git a/libs/partners/anthropic/langchain_anthropic/chat_models.py b/libs/partners/anthropic/langchain_anthropic/chat_models.py
index 704733b8306..446045fff83 100644
--- a/libs/partners/anthropic/langchain_anthropic/chat_models.py
+++ b/libs/partners/anthropic/langchain_anthropic/chat_models.py
@@ -1326,6 +1326,19 @@ class ChatAnthropic(BaseChatModel):
                 'id': 'toolu_01VdNgt1YV7kGfj9LFLm6HyQ',
                 'type': 'tool_call'}]
 
+        .. dropdown::  Memory tool
+
+            .. code-block:: python
+
+                from langchain_anthropic import ChatAnthropic
+
+                llm = ChatAnthropic(
+                    model="claude-sonnet-4-5-20250929",
+                    betas=["context-management-2025-06-27"],
+                )
+                llm_with_tools = llm.bind_tools([{"type": "memory_20250818", "name": "memory"}])
+                response = llm_with_tools.invoke("What are my interests?")
+
     Response metadata
         .. code-block:: python
 
diff --git a/libs/partners/anthropic/pyproject.toml b/libs/partners/anthropic/pyproject.toml
index 50ed966ea2e..456ecf7d034 100644
--- a/libs/partners/anthropic/pyproject.toml
+++ b/libs/partners/anthropic/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "pydantic>=2.7.4,<3.0.0",
 ]
 name = "langchain-anthropic"
-version = "0.3.20"
+version = "0.3.21"
 description = "An integration package connecting Anthropic and LangChain"
 readme = "README.md"
 
diff --git a/libs/partners/anthropic/uv.lock b/libs/partners/anthropic/uv.lock
index 12d138b67e3..3402a790c5f 100644
--- a/libs/partners/anthropic/uv.lock
+++ b/libs/partners/anthropic/uv.lock
@@ -465,7 +465,7 @@ wheels = [
 
 [[package]]
 name = "langchain-anthropic"
-version = "0.3.20"
+version = "0.3.21"
 source = { editable = "." }
 dependencies = [
     { name = "anthropic" },