diff --git a/poetry.lock b/poetry.lock
index bd254d0..9679ec9 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1023,13 +1023,13 @@ testing = ["pytest", "pytest-benchmark"]
 
 [[package]]
 name = "prometheus-client"
-version = "0.21.0"
+version = "0.21.1"
 description = "Python client for the Prometheus monitoring system."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "prometheus_client-0.21.0-py3-none-any.whl", hash = "sha256:4fa6b4dd0ac16d58bb587c04b1caae65b8c5043e85f778f42f5f632f6af2e166"},
-    {file = "prometheus_client-0.21.0.tar.gz", hash = "sha256:96c83c606b71ff2b0a433c98889d275f51ffec6c5e267de37c7a2b5c9aa9233e"},
+    {file = "prometheus_client-0.21.1-py3-none-any.whl", hash = "sha256:594b45c410d6f4f8888940fe80b5cc2521b305a1fafe1c58609ef715a001f301"},
+    {file = "prometheus_client-0.21.1.tar.gz", hash = "sha256:252505a722ac04b0456be05c05f75f45d760c2911ffc45f2a06bcaed9f3ae3fb"},
 ]
 
 [package.extras]
@@ -1944,4 +1944,4 @@ watchdog = ["watchdog (>=2.3)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.12"
-content-hash = "8de22611bc0edf2d5c1e2a15c378f29d7958cac8b382ed91c80c5cb59cdbc929"
+content-hash = "a0b8ebaa5b48e5cfba54861654dbaa40612d41541450903edb0f0f595a3f4b91"
diff --git a/pyproject.toml b/pyproject.toml
index df63168..0a669f9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ fiaas-logging = "^0.1.1"
 pydantic = "^2.10.3"
 requests = "^2"
 requests-toolbelt = "^1.0.0"
-prometheus-client = "^0.21.0"
+prometheus-client = "^0.21.1"
 pydantic-settings = "^2.6.1"
 lightkube = "^0.15.5"