diff --git a/poetry.lock b/poetry.lock
index 56bbf8b..e33933a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1398,13 +1398,13 @@ poetry-core = ">=1.7.0,<3.0.0"
 
 [[package]]
 name = "prometheus-client"
-version = "0.20.0"
+version = "0.22.1"
 description = "Python client for the Prometheus monitoring system."
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 files = [
-    {file = "prometheus_client-0.20.0-py3-none-any.whl", hash = "sha256:cde524a85bce83ca359cc837f28b8c0db5cac7aa653a588fd7e84ba061c329e7"},
-    {file = "prometheus_client-0.20.0.tar.gz", hash = "sha256:287629d00b147a32dcb2be0b9df905da599b2d82f80377083ec8463309a4bb89"},
+    {file = "prometheus_client-0.22.1-py3-none-any.whl", hash = "sha256:cca895342e308174341b2cbf99a56bef291fbc0ef7b9e5412a0f26d653ba7094"},
+    {file = "prometheus_client-0.22.1.tar.gz", hash = "sha256:190f1331e783cf21eb60bca559354e0a4d4378facecf78f5428c39b675d20d28"},
 ]
 
 [package.extras]
@@ -2893,4 +2893,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "908290fe9752989522db32ad79113391e31458906f1c91e1994d30e6d048d23f"
+content-hash = "48fb05b7000fe6137b6981e9fa3915a5ed2c16c11b672995ecd26a09227922b6"
diff --git a/pyproject.toml b/pyproject.toml
index b3e0f7c..b73d07e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ requests = "2.31.0"
 cachetools = "^5.3.1"
 ics = "0.7.2"
 arrow = "1.3.0"
-prometheus-client = "0.20.0"
+prometheus-client = "0.22.1"
 prometheus-fastapi-instrumentator = "7.0.0"
 pydantic-settings = "2.2.1"
 poetry = "^1.7.1"