diff --git a/apps/runtime/pyproject.toml b/apps/runtime/pyproject.toml
index 299412b..d2e5358 100644
--- a/apps/runtime/pyproject.toml
+++ b/apps/runtime/pyproject.toml
@@ -9,7 +9,7 @@ dependencies = [
   "deepagents==0.4.1",
   "fastapi>=0.116.0",
   "langchain>=1.2.0",
-  "langchain-anthropic==1.3.3",
+  "langchain-anthropic==1.4.6",
   "langchain-core>=1.2.6",
   "langchain-openai>=1.2.0",
   "langgraph==1.1.9",
diff --git a/apps/runtime/uv.lock b/apps/runtime/uv.lock
index dae62fc..90699ba 100644
--- a/apps/runtime/uv.lock
+++ b/apps/runtime/uv.lock
@@ -34,7 +34,7 @@ requires-dist = [
     { name = "deepagents", specifier = "==0.4.1" },
     { name = "fastapi", specifier = ">=0.116.0" },
     { name = "langchain", specifier = ">=1.2.0" },
-    { name = "langchain-anthropic", specifier = "==1.3.3" },
+    { name = "langchain-anthropic", specifier = "==1.4.6" },
     { name = "langchain-core", specifier = ">=1.2.6" },
     { name = "langchain-openai", specifier = ">=1.2.0" },
     { name = "langgraph", specifier = "==1.1.9" },
@@ -457,24 +457,25 @@ wheels = [
 
 [[package]]
 name = "langchain-anthropic"
-version = "1.3.3"
+version = "1.4.6"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anthropic" },
     { name = "langchain-core" },
     { name = "pydantic" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/58/48/cf217b3836099220737ff1f8fd07a554993080dfc9c0b4dd4af16ccb0604/langchain_anthropic-1.3.3.tar.gz", hash = "sha256:37198413c9bde5a9e9829f13c7b9ed4870d7085e7fba9fd803ef4d98ef8ea220", size = 686916, upload-time = "2026-02-10T21:02:28.924Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e1/f5/cd397b94aeed5fa0e8ab9595b9fb578ac99f424d42220defe6626e6a1a7b/langchain_anthropic-1.4.6.tar.gz", hash = "sha256:78942d4458d883b7d362438a095ed501ed84f44d402622404482481fc973b9da", size = 706540, upload-time = "2026-06-12T16:54:15.352Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/8c/f1/cf56d47964b6fe080cdc54c3e32bc05e560927d549b2634b39d14aaf6e05/langchain_anthropic-1.3.3-py3-none-any.whl", hash = "sha256:8008ce5fb680268681673e09f93a9ac08eba9e304477101e5e138f06b5cd8710", size = 46831, upload-time = "2026-02-10T21:02:27.386Z" },
+    { url = "https://files.pythonhosted.org/packages/26/af/927dbbc5a1f5fea1a69adc2883f034cbd1430004e36f4eacd302d500393a/langchain_anthropic-1.4.6-py3-none-any.whl", hash = "sha256:dbd412a956b6b8b0716d9d8460ef71f834a6731cdbfc59e6160482a4a9fb5200", size = 51797, upload-time = "2026-06-12T16:54:14.159Z" },
 ]
 
 [[package]]
 name = "langchain-core"
-version = "1.3.1"
+version = "1.4.7"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
+    { name = "langchain-protocol" },
     { name = "langsmith" },
     { name = "packaging" },
     { name = "pydantic" },
@@ -483,9 +484,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/f4/fe/abeae8d0d2899e191d67c6c7f065f7e52a953f30b21ef327fa49084e4af9/langchain_core-1.3.1.tar.gz", hash = "sha256:41b384055799f93f34520df6bf7b80e2e5e23153cdfd46874251c6c9916ea030", size = 862403, upload-time = "2026-04-23T18:54:01.857Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/ee/2b/fffaff399d20a56d40b9562fa19701e91abd72d8c9d9bc8c2673077b56b6/langchain_core-1.4.7.tar.gz", hash = "sha256:7a825d77de0a3f39adbd9d09612a75e85527e14a52c1601089bcc062972d9f2b", size = 952522, upload-time = "2026-06-12T19:23:57.588Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a1/c2/8493be505921857988db068b7c027f28a9b1587b4425c6a32b1221c9c9fe/langchain_core-1.3.1-py3-none-any.whl", hash = "sha256:8b13d19d3bed3f4768df12c7f6932d2ada715f3ac9fd020c63d28c693968269e", size = 515879, upload-time = "2026-04-23T18:53:59.94Z" },
+    { url = "https://files.pythonhosted.org/packages/de/3e/dcdffa60078ae7b3a00ebb4cbbf1a204a14c3609983c604886523a7d4418/langchain_core-1.4.7-py3-none-any.whl", hash = "sha256:bcadd51951140ecdcba98311dbd931ba5de02a5ba8a2288dad5069c1eea2a13d", size = 554941, upload-time = "2026-06-12T19:23:55.826Z" },
 ]
 
 [[package]]
@@ -517,6 +518,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/2c/7b/e8c3beeab0ca042529533072ebee69c66327c1805b3133531b58c422baab/langchain_openai-1.2.0-py3-none-any.whl", hash = "sha256:b3ed14dc48e40890605136f26c6b07e8f293987d95e734ab67cbfa572c523456", size = 98592, upload-time = "2026-04-23T00:43:34.135Z" },
 ]
 
+[[package]]
+name = "langchain-protocol"
+version = "0.0.17"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/44/b3/4e2429876c7a35585618caa2b9f9089f7162a6b50562b614ad82ac11c17e/langchain_protocol-0.0.17.tar.gz", hash = "sha256:e7cbe58c205df4b4fd87dc6d5bb23f10e13b236d0e2e1b0b9d05bc2b648f3eea", size = 6026, upload-time = "2026-06-12T18:39:51.923Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/13/0a/a1bfe72c6ec856e99773bbd96c8086421e554b3693d0142b9ea009c6ac92/langchain_protocol-0.0.17-py3-none-any.whl", hash = "sha256:982a08fe152586ed10d4ff3d538c2e0b5766e5f307cdea325e10be3f2c17cae6", size = 7096, upload-time = "2026-06-12T18:39:50.973Z" },
+]
+
 [[package]]
 name = "langgraph"
 version = "1.1.9"