diff --git a/changelog.d/14274.misc b/changelog.d/14274.misc
new file mode 100644
index 000000000..e2077dc0a
--- /dev/null
+++ b/changelog.d/14274.misc
@@ -0,0 +1 @@
+Bump prometheus-client from 0.14.0 to 0.15.0.
diff --git a/poetry.lock b/poetry.lock
index 2713cf2d6..4b76d170c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -710,7 +710,7 @@ test = ["appdirs (==1.4.4)", "pytest (>=6)", "pytest-cov (>=2.7)", "pytest-mock
 
 [[package]]
 name = "prometheus-client"
-version = "0.14.0"
+version = "0.15.0"
 description = "Python client for the Prometheus monitoring system."
 category = "main"
 optional = false
@@ -2301,8 +2301,8 @@ platformdirs = [
     {file = "platformdirs-2.5.1.tar.gz", hash = "sha256:7535e70dfa32e84d4b34996ea99c5e432fa29a708d0f4e394bbcb2a8faa4f16d"},
 ]
 prometheus-client = [
-    {file = "prometheus_client-0.14.0-py3-none-any.whl", hash = "sha256:f4aba3fdd1735852049f537c1f0ab177159b7ab76f271ecc4d2f45aa2a1d01f2"},
-    {file = "prometheus_client-0.14.0.tar.gz", hash = "sha256:8f7a922dd5455ad524b6ba212ce8eb2b4b05e073f4ec7218287f88b1cac34750"},
+    {file = "prometheus_client-0.15.0-py3-none-any.whl", hash = "sha256:db7c05cbd13a0f79975592d112320f2605a325969b270a94b71dcabc47b931d2"},
+    {file = "prometheus_client-0.15.0.tar.gz", hash = "sha256:be26aa452490cfcf6da953f9436e95a9f2b4d578ca80094b4458930e5f584ab1"},
 ]
 psycopg2 = [
     {file = "psycopg2-2.9.4-cp310-cp310-win32.whl", hash = "sha256:8de6a9fc5f42fa52f559e65120dcd7502394692490c98fed1221acf0819d7797"},