diff --git a/build.sbt b/build.sbt
index c58d00058..9507f4f18 100644
--- a/build.sbt
+++ b/build.sbt
@@ -927,7 +927,7 @@ lazy val prometheusBackend = (projectMatrix in file("observability/prometheus-ba
   .settings(
     name := "prometheus-backend",
     libraryDependencies ++= Seq(
-      "io.prometheus" % "prometheus-metrics-core" % "1.5.0"
+      "io.prometheus" % "prometheus-metrics-core" % "1.5.1"
     ),
     scalaTest
   )