diff --git a/build.sbt b/build.sbt
index cec990efc8..ce3b15eb2f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1018,8 +1018,8 @@ lazy val prometheusMetrics: ProjectMatrix = (projectMatrix in file("metrics/prom
   .settings(
     name := "tapir-prometheus-metrics",
     libraryDependencies ++= Seq(
-      "io.prometheus" % "prometheus-metrics-core" % "1.3.2",
-      "io.prometheus" % "prometheus-metrics-exposition-formats" % "1.3.2",
+      "io.prometheus" % "prometheus-metrics-core" % "1.3.4",
+      "io.prometheus" % "prometheus-metrics-exposition-formats" % "1.3.4",
       scalaTest.value % Test
     )
   )