diff --git a/pyproject.toml b/pyproject.toml
index 7253f6fb3..d8c5b8ee8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,8 @@ dependencies = [
 [project.optional-dependencies]
 mcp = ["mcp>=1.0"]
 memory = ["letta-client>=1.7.12"]
-memory-server = ["letta>=0.16.7"]
+# <0.17: from 0.34 (Oct 2026) the `letta` name ships "Letta Code", a terminal app, not the server.
+memory-server = ["letta>=0.16.7,<0.17"]
 smart = ["ollama>=0.4.0"]
 cloud = ["openai>=1.0"]
 postgres = [
diff --git a/uv.lock b/uv.lock
index 3c81b1012..2a3e0d6fa 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2748,7 +2748,7 @@ requires-dist = [
     { name = "fastapi", specifier = ">=0.136.1" },
     { name = "gitpython", specifier = ">=3.1.50" },
     { name = "langfuse", marker = "extra == 'langfuse'", specifier = ">=3" },
-    { name = "letta", marker = "extra == 'memory-server'", specifier = ">=0.16.7" },
+    { name = "letta", marker = "extra == 'memory-server'", specifier = ">=0.16.7,<0.17" },
     { name = "letta-client", marker = "extra == 'memory'", specifier = ">=1.7.12" },
     { name = "litellm", marker = "extra == 'litellm'", specifier = ">=1.83.14" },
     { name = "markdown-it-py", specifier = ">=3.0" },
@@ -3011,7 +3011,7 @@ wheels = [
 
 [[package]]
 name = "litellm"
-version = "1.91.0"
+version = "1.91.5"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "aiohttp" },
@@ -3027,9 +3027,9 @@ dependencies = [
     { name = "tiktoken" },
     { name = "tokenizers" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/86/1e/90cfeada42170986a290feebaca0a90923b3c310cddeb0f8690abd239ad4/litellm-1.91.0.tar.gz", hash = "sha256:4fd469fe7356ba8fcc86f4efdf332e3426b760962ab12331fdaf1a01aeec065f", size = 14872290, upload-time = "2026-07-04T19:18:28.466Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/8c/97/e68511e3dff7d18c99faf39258096cd2fc0b59540b2523e9eef43d33922a/litellm-1.91.5.tar.gz", hash = "sha256:f3a69ce82f61216903ca5e08aabe76a535862d4b935d7a7863953cbc8947e2f7", size = 14877642, upload-time = "2026-08-09T02:01:45.825Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/0d/21/268c8febd55265d9bbb611c06496356186bdea37b64e1142eb92e9d48b7e/litellm-1.91.5-py3-none-any.whl", hash = "sha256:db09c6ea0b7c7de034b6c8b628208b000b54e02ef557468f84c2e63fbd7c8560", size = 16675846, upload-time = "2026-08-09T02:01:43.257Z" },
 ]
 
 [[package]]
@@ -5319,11 +5319,11 @@ wheels = [
 
 [[package]]
 name = "pyjwt"
-version = "2.13.0"
+version = "2.15.1"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/3b/81/58d0ac84e1ef3a3843791d6954d94c0b33d526c75eeb1efbce9d0a4c4077/pyjwt-2.13.0.tar.gz", hash = "sha256:41571c89ca91598c79e8ef18a2d07367d4810fbbd6f637794879baf1b7703423", size = 107515, upload-time = "2026-05-21T19:54:36.618Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/43/ea/5194e52748b0da83d71e082d75496eaec6e58f419f5e184786ded517e6a9/pyjwt-2.15.1.tar.gz", hash = "sha256:4f259e80cdfb6b3fc18a7de51fd1ef9ec79652f25019bae68975ca2468a34df8", size = 121252, upload-time = "2026-09-28T18:40:42.598Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/50/ca/44de4e75f8aadc457f0634be3b542815078ded46dca30efb960edeecad6e/pyjwt-2.15.1-py3-none-any.whl", hash = "sha256:42d59d631f7768a1028a64c7ff581a9bf7519804daf91fc5b6c56e30eec5e193", size = 33860, upload-time = "2026-09-28T18:40:41.429Z" },
 ]
 
 [package.optional-dependencies]
@@ -5397,11 +5397,11 @@ wheels = [
 
 [[package]]
 name = "pypdf"
-version = "6.18.1"
+version = "6.19.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/4f/c2/e537e78a8282b51ed47031566be118debbc34c04782a9afd8739672eb07d/pypdf-6.18.1.tar.gz", hash = "sha256:2441fc839053745638d9b9ddb38ed66beed8d611f47a3036c9838fc4e3074dea", size = 7027577, upload-time = "2026-09-11T10:10:07.616Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/1f/ac/63d71aaedb59acbcdef491e6ca6469165e3771c9c74358204818fd9bc5a6/pypdf-6.19.0.tar.gz", hash = "sha256:bbc43aca292369ccc6cbc8a921991ecf2538a3587ab5a116eff06c321d647155", size = 7033266, upload-time = "2026-09-16T09:32:05.946Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/3c/2c/c43c03eaf630435f023f1dc61ec4a4a78951ad5530a62c71cc89bde307b7/pypdf-6.19.0-py3-none-any.whl", hash = "sha256:7e5d6e730e7dae87d560a2cee218b852f6498c8be61966f3cd02ead971e48d14", size = 395480, upload-time = "2026-09-16T09:32:04.087Z" },
 ]
 
 [[package]]
@@ -7049,11 +7049,11 @@ wheels = [
 
 [[package]]
 name = "urllib3"
-version = "2.7.0"
+version = "2.8.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/53/0c/06f8b233b8fd13b9e5ee11424ef85419ba0d8ba0b3138bf360be2ff56953/urllib3-2.7.0.tar.gz", hash = "sha256:231e0ec3b63ceb14667c67be60f2f2c40a518cb38b03af60abc813da26505f4c", size = 433602, upload-time = "2026-05-07T16:13:18.596Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e3/05/b17359e1cefb4f909b5e40b1b90a496d987258916dbbf88e842c729f510e/urllib3-2.8.0.tar.gz", hash = "sha256:63bf2ead4c879426ebf22ef2a781eeb4aa3b4ae798a0435506f8687fd5bb9b63", size = 458972, upload-time = "2026-09-15T19:29:36.253Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/92/9d/c4e665119135114480843e7ab388fa94d8480650450e6f8e26b70d323a4c/urllib3-2.8.0-py3-none-any.whl", hash = "sha256:0cf3cae568d36aa9576b28dfb35f11328f1cb974ca7647d9475ebb86c75ac6e3", size = 135717, upload-time = "2026-09-15T19:29:34.577Z" },
 ]
 
 [[package]]