diff --git a/pyproject.toml b/pyproject.toml
index 42cb7ffde..d3cec43d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,8 +28,8 @@ dependencies = [
     # Used by authentication/k8s integration
     "kubernetes>=30.1.0",
     # Used to call Llama Stack APIs
-    "llama-stack==0.4.2",
-    "llama-stack-client==0.4.2",
+    "llama-stack==0.4.3",
+    "llama-stack-client==0.4.3",
     # Used by Logger
     "rich>=14.0.0",
     # Used by JWK token auth handler
diff --git a/src/constants.py b/src/constants.py
index bad308e90..681759cd4 100644
--- a/src/constants.py
+++ b/src/constants.py
@@ -2,7 +2,7 @@
 
 # Minimal and maximal supported Llama Stack version
 MINIMAL_SUPPORTED_LLAMA_STACK_VERSION = "0.2.17"
-MAXIMAL_SUPPORTED_LLAMA_STACK_VERSION = "0.4.2"
+MAXIMAL_SUPPORTED_LLAMA_STACK_VERSION = "0.4.3"
 
 UNABLE_TO_PROCESS_RESPONSE = "Unable to process this request"
 
diff --git a/tests/e2e/features/info.feature b/tests/e2e/features/info.feature
index 3abb37b49..648d49918 100644
--- a/tests/e2e/features/info.feature
+++ b/tests/e2e/features/info.feature
@@ -16,7 +16,7 @@ Feature: Info tests
      When I access REST API endpoint "info" using HTTP GET method
      Then The status code of the response is 200
       And The body of the response has proper name Lightspeed Core Service (LCS) and version 0.4.0
-      And The body of the response has llama-stack version 0.4.2
+      And The body of the response has llama-stack version 0.4.3
 
   @skip-in-library-mode
   Scenario: Check if info endpoint reports error when llama-stack connection is not working
diff --git a/uv.lock b/uv.lock
index e473867c1..83d7a0291 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1392,8 +1392,8 @@ requires-dist = [
     { name = "jsonpath-ng", specifier = ">=1.6.1" },
     { name = "kubernetes", specifier = ">=30.1.0" },
     { name = "litellm", specifier = ">=1.75.5.post1" },
-    { name = "llama-stack", specifier = "==0.4.2" },
-    { name = "llama-stack-client", specifier = "==0.4.2" },
+    { name = "llama-stack", specifier = "==0.4.3" },
+    { name = "llama-stack-client", specifier = "==0.4.3" },
     { name = "openai", specifier = ">=1.99.9" },
     { name = "prometheus-client", specifier = ">=0.22.1" },
     { name = "psycopg2-binary", specifier = ">=2.9.10" },
@@ -1488,7 +1488,7 @@ wheels = [
 
 [[package]]
 name = "llama-stack"
-version = "0.4.2"
+version = "0.4.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "aiohttp" },
@@ -1521,9 +1521,9 @@ dependencies = [
     { name = "urllib3" },
     { name = "uvicorn" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/58/8c/c47416e024ed0791583e7ab499289d7326afe5a50c26c181b77424610105/llama_stack-0.4.2.tar.gz", hash = "sha256:38caaed133139c1de8c4ef2d352f562c98d7a2797f97f2e4558015762787b20e", size = 3353750, upload-time = "2026-01-16T14:18:10.404Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/57/f8/b46c825c7d4050524ca4da9ff7f2622b101044f65cf50f708cf5b6ac935d/llama_stack-0.4.3.tar.gz", hash = "sha256:70d379ae9dbb5b1d0693f14054d9817aba183ffcd805133f0a4442baee132c6d", size = 3357773, upload-time = "2026-01-26T21:46:01.588Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/58/fd/b4c51a12ac4d8db1985ba6870fc175797a46f25b910f621312d772a80d72/llama_stack-0.4.2-py3-none-any.whl", hash = "sha256:f4dbd043704d5e3b382a3fba690536b54baa58ae8ec27dae3ceba8ec7a377427", size = 3691482, upload-time = "2026-01-16T14:18:08.651Z" },
+    { url = "https://files.pythonhosted.org/packages/f2/eb/a4c6c6e6391e13b7d71a116df847b13c334355e9ec18441635140b8fbe1f/llama_stack-0.4.3-py3-none-any.whl", hash = "sha256:423207eae2b640894992a9075ff9dd6300ff904ab06a49fe38cfe0bb809d4669", size = 3695786, upload-time = "2026-01-26T21:45:59.607Z" },
 ]
 
 [[package]]
@@ -1545,7 +1545,7 @@ wheels = [
 
 [[package]]
 name = "llama-stack-client"
-version = "0.4.2"
+version = "0.4.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -1564,9 +1564,9 @@ dependencies = [
     { name = "tqdm" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/5d/b5/fdfef39a1dedc319b98782a3b2e047b9aae394ca59010fb25146aef5edca/llama_stack_client-0.4.2.tar.gz", hash = "sha256:1277bf563531d9bc476e305f2d2bead9900986d426a2e32c9adf4b6a464804c3", size = 352951, upload-time = "2026-01-16T14:17:19.688Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/db/3d/2aaeeef910e821ef7d3e65f3d773ba183cc84b7852f877396f64619a250c/llama_stack_client-0.4.3.tar.gz", hash = "sha256:cb807be258206e8fedeb5e5ceba7be7108d3badb31d74199406808c3d1679c35", size = 352952, upload-time = "2026-01-26T21:45:09.725Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/5f/af/e1c5065b06f98f832a9f74cb8e092e88fd0c10fdf670ab2aecd614548768/llama_stack_client-0.4.2-py3-none-any.whl", hash = "sha256:d6e1c73391bdc3494fe1fa9ce7575a4749d13d111718e458e874ece544988729", size = 375941, upload-time = "2026-01-16T14:17:18.458Z" },
+    { url = "https://files.pythonhosted.org/packages/1e/39/193aad0d49d834539fdc04c5f774fda22283267aff2400b68ffeb307474c/llama_stack_client-0.4.3-py3-none-any.whl", hash = "sha256:97b8cc5032bad4f0cdd1b0ae992cf44f5554679d315b7c40f46deb358c041f50", size = 375940, upload-time = "2026-01-26T21:45:08.067Z" },
 ]
 
 [[package]]