diff --git a/poetry.lock b/poetry.lock
index 954d1a6..8f1ce73 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -885,13 +885,13 @@ testing = ["pytest", "pytest-benchmark"]
 
 [[package]]
 name = "prometheus-client"
-version = "0.19.0"
+version = "0.20.0"
 description = "Python client for the Prometheus monitoring system."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "prometheus_client-0.19.0-py3-none-any.whl", hash = "sha256:c88b1e6ecf6b41cd8fb5731c7ae919bf66df6ec6fafa555cd6c0e16ca169ae92"},
-    {file = "prometheus_client-0.19.0.tar.gz", hash = "sha256:4585b0d1223148c27a225b10dbec5ae9bc4c81a99a3fa80774fa6209935324e1"},
+    {file = "prometheus_client-0.20.0-py3-none-any.whl", hash = "sha256:cde524a85bce83ca359cc837f28b8c0db5cac7aa653a588fd7e84ba061c329e7"},
+    {file = "prometheus_client-0.20.0.tar.gz", hash = "sha256:287629d00b147a32dcb2be0b9df905da599b2d82f80377083ec8463309a4bb89"},
 ]
 
 [package.extras]
@@ -1756,4 +1756,4 @@ test = ["big-O", "jaraco.functools", "jaraco.itertools", "jaraco.test", "more-it
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "0271a2f6e2c723ba62b6134a66ef036b179c8a0a5326df93a6d0156e37cdefa3"
+content-hash = "d5b1080a0df0b981345071e136bb6550524a817db417332f6b09769ac716d750"
diff --git a/pyproject.toml b/pyproject.toml
index 1ae5289..67916bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ start = "gh_actions_exporter.main:start"
 [tool.poetry.dependencies]
 python = "^3.9"
 fastapi = "^0.111.1"
-prometheus-client = "^0.19.0"
+prometheus-client = "^0.20.0"
 uvicorn = { extras = ["standard"], version = "^0.30.1" }
 python-multipart = "^0.0.9"
 PyYAML = "^6.0"