diff --git a/pyproject.toml b/pyproject.toml
index 285d895..1276866 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ requires-python = ">=3.14"
 dependencies = [
     "slack-bolt==1.28.0",
     "slack-sdk==3.41.0",
-    "litellm==1.83.4",
+    "litellm==1.83.7",
     "pillow==12.2.0",
     "httpx==0.28.1",
     "bedrock-agentcore==1.6.1",
diff --git a/uv.lock b/uv.lock
index 36f80d9..c57291f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -307,7 +307,7 @@ dev = [
 requires-dist = [
     { name = "bedrock-agentcore", specifier = "==1.6.1" },
     { name = "httpx", specifier = "==0.28.1" },
-    { name = "litellm", specifier = "==1.83.4" },
+    { name = "litellm", specifier = "==1.83.7" },
     { name = "mcp", specifier = "==1.27.0" },
     { name = "pillow", specifier = "==12.2.0" },
     { name = "pip-licenses", marker = "extra == 'dev'", specifier = "==5.5.5" },
@@ -729,7 +729,7 @@ wheels = [
 
 [[package]]
 name = "litellm"
-version = "1.83.4"
+version = "1.83.7"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "aiohttp" },
@@ -745,9 +745,9 @@ dependencies = [
     { name = "tiktoken" },
     { name = "tokenizers" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/03/c4/30469c06ae7437a4406bc11e3c433cfd380a6771068cca15ea918dcd158f/litellm-1.83.4.tar.gz", hash = "sha256:6458d2030a41229460b321adee00517a91dbd8e63213cc953d355cb41d16f2d4", size = 17733899, upload-time = "2026-04-07T04:33:47.445Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/77/2b/b58bf6bbcbc3d0e55d0a84fdf9128e5b1436517f46fce89b1cd8948ebb81/litellm-1.83.7.tar.gz", hash = "sha256:e2f2cb99df2e2b2eab63f1354faa45c88dd7c8d40c18eb648afb1b349c689633", size = 17791694, upload-time = "2026-04-13T17:35:01.606Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/b8/bd/df19d3f8f6654535ee343a341fd921f81c411abf601a53e3eaef58129b02/litellm-1.83.4-py3-none-any.whl", hash = "sha256:17d7b4d48d47aca988ea4f762ddda5e7bd72cda3270192b22813d0330869d7b4", size = 16015555, upload-time = "2026-04-07T04:33:44.268Z" },
+    { url = "https://files.pythonhosted.org/packages/75/80/caeb4cdcad96451ba83ad3ba2a9da08b1e1a915fa845c489f56ea044488b/litellm-1.83.7-py3-none-any.whl", hash = "sha256:5784a1d9a9a4a8acd6ca1e347003a5e2e1b3c749b4d41e7da4904577adade111", size = 16069807, upload-time = "2026-04-13T17:34:58.36Z" },
 ]
 
 [[package]]