diff --git a/poetry.lock b/poetry.lock
index c321375ed..33d69a0ca 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
 
 [[package]]
 name = "aiohappyeyeballs"
@@ -490,17 +490,17 @@ opentelemetry-api = ">=1.12.0,<2.0.0"
 
 [[package]]
 name = "azure-cosmos"
-version = "4.7.0"
+version = "4.9.0"
 description = "Microsoft Azure Cosmos Client Library for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "azure-cosmos-4.7.0.tar.gz", hash = "sha256:72d714033134656302a2e8957c4b93590673bd288b0ca60cb123e348ae99a241"},
-    {file = "azure_cosmos-4.7.0-py3-none-any.whl", hash = "sha256:03d8c7740ddc2906fb16e07b136acc0fe6a6a02656db46c5dd6f1b127b58cc96"},
+    {file = "azure_cosmos-4.9.0-py3-none-any.whl", hash = "sha256:3b60eaa01a16a857d0faf0cec304bac6fa8620a81bc268ce760339032ef617fe"},
+    {file = "azure_cosmos-4.9.0.tar.gz", hash = "sha256:c70db4cbf55b0ff261ed7bb8aa325a5dfa565d3c6eaa43d75d26ae5e2ad6d74f"},
 ]
 
 [package.dependencies]
-azure-core = ">=1.25.1"
+azure-core = ">=1.30.0"
 typing-extensions = ">=4.6.0"
 
 [[package]]
@@ -6627,4 +6627,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "826226f49f211954e1a565360e48f0e655807b7e7f370780bd1fed30f2bccac4"
+content-hash = "668651758e63dc3214e8d90c1f62ca555a742c775075f2ad3043bc4fa1fdf719"
diff --git a/pyproject.toml b/pyproject.toml
index c99e50d78..91c2a7095 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ azure-mgmt-cognitiveservices = "^13.5.0"
 jsonschema = "^4.23.0"
 semantic-kernel = {version = "1.3.0", python = "<3.13"}
 azure-ai-ml = "^1.21.1"
-azure-cosmos = "^4.7.0"
+azure-cosmos = "^4.9.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.3.3"