diff --git a/poetry.lock b/poetry.lock
index c479924..0248b9c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1338,13 +1338,13 @@ files = [
 
 [[package]]
 name = "prometheus-client"
-version = "0.20.0"
+version = "0.21.0"
 description = "Python client for the Prometheus monitoring system."
 optional = false
 python-versions = ">=3.8"
 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-0.21.0-py3-none-any.whl", hash = "sha256:4fa6b4dd0ac16d58bb587c04b1caae65b8c5043e85f778f42f5f632f6af2e166"},
+    {file = "prometheus_client-0.21.0.tar.gz", hash = "sha256:96c83c606b71ff2b0a433c98889d275f51ffec6c5e267de37c7a2b5c9aa9233e"},
 ]
 
 [package.extras]
@@ -2492,4 +2492,4 @@ prometheus = ["prometheus-client"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "e616f25455754a4c823431f326ed6c4f211f2db7a595ac27d11a4d7fec93156f"
+content-hash = "6bf7683407766b019e611a744ac7df348e2431b5cbb5becaac87a1abcd6bf7c3"
diff --git a/pyproject.toml b/pyproject.toml
index 0b9a5f3..66fcd60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ ec2-metadata = "^2.13.0"
 python-dotenv = ">=0.21,<1.1"
 asyncer = ">=0.0.5,<0.0.8"
 datadog = {version = ">=0.44,<0.51", optional = true}
-prometheus-client = {version = ">=0.16,<0.21", optional = true}
+prometheus-client = {version = ">=0.16,<0.22", optional = true}
 kubernetes = {version = ">=26.1,<32.0", optional = true}
 
 [tool.poetry.dev-dependencies]
@@ -45,7 +45,7 @@ pydata-sphinx-theme = "^0.14.4"
 toml = "^0.10.2"
 types-ujson = "^5.10.0"
 datadog = ">=0.44,<0.51"
-prometheus-client = ">=0.16,<0.21"
+prometheus-client = ">=0.16,<0.22"
 types-requests = "^2.31.0"
 bandit = "^1.7.9"
 radon = "^6.0.1"