diff --git a/poetry.lock b/poetry.lock
index 459faee..cb1b970 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -527,13 +527,13 @@ test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.4.3)", "pytest-
 
 [[package]]
 name = "prometheus-client"
-version = "0.17.1"
+version = "0.20.0"
 description = "Python client for the Prometheus monitoring system."
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {file = "prometheus_client-0.17.1-py3-none-any.whl", hash = "sha256:e537f37160f6807b8202a6fc4764cdd19bac5480ddd3e0d463c3002b34462101"},
-    {file = "prometheus_client-0.17.1.tar.gz", hash = "sha256:21e674f39831ae3f8acde238afd9a27a37d0d2fb5a28ea094f0ce25d2cbf2091"},
+    {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]
@@ -686,4 +686,4 @@ socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "4d96a702f03e4cf54df9410bbbe4653c238ccda407505291fba41d254737f990"
+content-hash = "7df104e34c75124471aa13468bf292abaeb7f2a33db42bd5cb6709f02c95dc89"
diff --git a/pyproject.toml b/pyproject.toml
index fd263ce..82d09db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ gcn-kafka = "^0.3.3"
 python = "^3.9"
 ratelimit = "*"
 click = "^8.1.3"
-prometheus-client = "^0.17.0"
+prometheus-client = "^0.20.0"
 
 [tool.poetry.group.dev.dependencies]
 black = "*"