diff --git a/poetry.lock b/poetry.lock
index fa32463f..ecdee3df 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1695,14 +1695,14 @@ testing = ["pytest", "pytest-benchmark"]
 
 [[package]]
 name = "prometheus-client"
-version = "0.18.0"
+version = "0.19.0"
 description = "Python client for the Prometheus monitoring system."
 category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "prometheus_client-0.18.0-py3-none-any.whl", hash = "sha256:8de3ae2755f890826f4b6479e5571d4f74ac17a81345fe69a6778fdb92579184"},
-    {file = "prometheus_client-0.18.0.tar.gz", hash = "sha256:35f7a8c22139e2bb7ca5a698e92d38145bc8dc74c1c0bf56f25cca886a764e17"},
+    {file = "prometheus_client-0.19.0-py3-none-any.whl", hash = "sha256:c88b1e6ecf6b41cd8fb5731c7ae919bf66df6ec6fafa555cd6c0e16ca169ae92"},
+    {file = "prometheus_client-0.19.0.tar.gz", hash = "sha256:4585b0d1223148c27a225b10dbec5ae9bc4c81a99a3fa80774fa6209935324e1"},
 ]
 
 [package.extras]
@@ -2725,4 +2725,4 @@ cffi = ["cffi (>=1.11)"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.13"
-content-hash = "409a28b116369b3223a341cdd894f0d997fa51022ebbb1c819dded7d806d1884"
+content-hash = "bb61a0d19462c6f3fd06094c0a700fe23a34d98bbcff6a2ab30d13bfa63c664e"
diff --git a/pyproject.toml b/pyproject.toml
index 766c8af2..f54e0aa9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ matplotlib = "3.8.2"
 numpy = "1.26.2"
 paho-mqtt = "1.6.1"
 pandas = "2.1.3"
-prometheus_client = "0.18.0"
+prometheus_client = "0.19.0"
 requests = "2.31.0"
 "RPi.GPIO" = {version = "0.7.1", markers = "platform_machine != 'aarch64'"}
 schedule = "1.2.1"