diff --git a/poetry.lock b/poetry.lock
index 1244fbe92..0ba3cda48 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2662,13 +2662,13 @@ tests = ["pytest (>=5.4.1)", "pytest-cov (>=2.8.1)", "pytest-mypy (>=0.8.0)", "p
 
 [[package]]
 name = "prometheus-client"
-version = "0.13.1"
+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-0.13.1-py3-none-any.whl", hash = "sha256:357a447fd2359b0a1d2e9b311a0c5778c330cfbe186d880ad5a6b39884652316"},
-    {file = "prometheus_client-0.13.1.tar.gz", hash = "sha256:ada41b891b79fca5638bd5cfe149efa86512eaa55987893becd2c6d8d0a5dfc5"},
+    {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]
@@ -4868,4 +4868,4 @@ worker-addons = ["detoxify"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "76d6d5f7ed07b73c4a8edf8b3317f5d356bbdf84fd363865385b450893150ec3"
+content-hash = "15e888fd5391514c89548b83321bc8c77548e80b82f7b382727a498c516aab55"
diff --git a/pyproject.toml b/pyproject.toml
index 2471f31b8..9bcc54431 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ rich = { version = "^12.5.1", optional = false }
 rich-click = { version = "^1.5.1", optional = false }
 
 # metrics
-prometheus-client = { version = "^0.13.1", optional = false }
+prometheus-client = { version = ">=0.13.1,<0.21.0", optional = false }
 
 # flask_architect
 flask = { version = "^1.1", optional = false }