diff --git a/clients/python/pyproject.toml b/clients/python/pyproject.toml
index f92163fd..1ebba17a 100644
--- a/clients/python/pyproject.toml
+++ b/clients/python/pyproject.toml
@@ -11,7 +11,7 @@ dependencies = [
     "cronsim>=2.6",
     "grpcio>=1.67.1",
     "grpcio-health-checking>=1.67.1",
-    "msgpack>=1.2.1",
+    "msgpack>=1.2.3",
     "prometheus_client>=0.22",
     "protobuf>=5.28.3",
     "redis>=3.4.1",
diff --git a/uv.lock b/uv.lock
index e6cd60e2..21cf9b61 100644
--- a/uv.lock
+++ b/uv.lock
@@ -356,21 +356,21 @@ wheels = [
 
 [[package]]
 name = "msgpack"
-version = "1.2.1"
+version = "1.2.3"
 source = { registry = "https://pypi.devinfra.sentry.io/simple" }
 wheels = [
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:aded5bdf32609dc7987a49bbbd15a8ef096193f96dd8bbeb791de729e650acf5" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:146ee4e9ce80b365c6d4c47073da9da7bcec473e58194ceee5dd7620ace77e06" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:a28d076ca7c82b9c8728ad90b7147489449557038bed50e4241eb832395169b4" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:d3567748a5107cb40cdf66a275430c2f87c07777698f4bfd25c35f44d533258c" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:60926b75d00c8e816ef98f3034f484a8bc64242d66839cef4cf7e503142316a0" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:020e881a764b20d8d7ca1a54fc01b8175519d108e3c3f194fddc200bda95951a" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp313-cp313-macosx_11_0_arm64.whl", hash = "sha256:491cc39455ca765fad51fb451bf2915eb2cf41192ab5801ce8d67c1d614fe056" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:f310233ef7fb9c14e201c93639fe5f5260b005f56f0b29048e999c30935596cc" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp313-cp313-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:787c9bebb5833e8f6fc8abca3c0597683d8d87f56a8842b6b89c75a5f3176e2d" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp314-cp314-macosx_11_0_arm64.whl", hash = "sha256:810b916696c86ef0deb3b74588480224df4c1b071136c34183e4a2a4284d7ac7" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp314-cp314-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:ca0dacff965c47afdc3749a8469d7302a8f801d6a28758d55120d75e66ce6889" },
-    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.1-cp314-cp314-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:0e2bf9280bceb5efca998435904b5d3e9fdbcc11d90dc9df30aec7973252b720" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:9d7e9cbb0998bbfd363fd9a09c330520d5e9cb323c05b5a1a05865d23ccf2226" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:6707d2fa2aa1bb5424ea0b05f44ffc989b15ab41a73ff5855bff4944fec7c8ac" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:382b219de3d436de3baba0f4b0c6d4336e8f5858d0eb047918b13b69a71c6c55" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:905a189853d6bdb204c7ae5f4ab77fb857448abfff574d3d93c62e2815b24b4f" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:f3d7b3d0018746b5997dd6b14a1870b07cc4c327d9101145d94a1fc264a51a06" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:ede33b2892ceb976283e009ad12fa1834cfdf1f9c43ee9c97849fc588d00a618" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp313-cp313-macosx_11_0_arm64.whl", hash = "sha256:db84203b13aecc222f465061397fdd5b53b7ae73d2c95ffc1c8dc5be0153a709" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:5e0d7950ca3c1bbae291d0552dd3bb2792fc680629c4c0d44e47e5bab969f3ca" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp313-cp313-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:07c9733089d1b176c3dd2f7fa268452f9d5d784d076473499d754a58e8d1fbbb" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp314-cp314-macosx_11_0_arm64.whl", hash = "sha256:3372475211a9ce1a23acefe512cb3e121d18c95dc74ed56cb1819ef40836ebf4" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp314-cp314-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:9324c54995641c3d1f92a9d55093c8cde0ffa2fbc87a467a688ef60428393220" },
+    { url = "https://pypi.devinfra.sentry.io/wheels/msgpack-1.2.3-cp314-cp314-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:d8ef3a66e4b52d2d7fdd90df2984670124b2ff7546d76bb25dcf68ef47f7df58" },
 ]
 
 [[package]]
@@ -849,7 +849,7 @@ requires-dist = [
     { name = "datadog", marker = "extra == 'datadog'", specifier = ">=0.49" },
     { name = "grpcio", specifier = ">=1.67.1" },
     { name = "grpcio-health-checking", specifier = ">=1.67.1" },
-    { name = "msgpack", specifier = ">=1.2.1" },
+    { name = "msgpack", specifier = ">=1.2.3" },
     { name = "prometheus-client", specifier = ">=0.22" },
     { name = "protobuf", specifier = ">=5.28.3" },
     { name = "redis", specifier = ">=3.4.1" },