diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index e8a54c60a28..70711328566 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -34,7 +34,7 @@ val jmhVersion = "1.37"
 val mockitoVersion = "4.11.0"
 val slf4jVersion = "2.0.17"
 val opencensusVersion = "0.31.1"
-val prometheusServerVersion = "1.3.7"
+val prometheusServerVersion = "1.3.8"
 val armeriaVersion = "1.32.5"
 val junitVersion = "5.12.2"
 
diff --git a/exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/PrometheusHttpServerTest.java b/exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/PrometheusHttpServerTest.java
index 4faca5428cd..81b85fb9487 100644
--- a/exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/PrometheusHttpServerTest.java
+++ b/exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/PrometheusHttpServerTest.java
@@ -46,7 +46,7 @@
 import io.opentelemetry.sdk.resources.Resource;
 import io.prometheus.metrics.exporter.httpserver.HTTPServer;
 import io.prometheus.metrics.exporter.httpserver.MetricsHandler;
-import io.prometheus.metrics.expositionformats.generated.com_google_protobuf_4_30_2.Metrics;
+import io.prometheus.metrics.expositionformats.generated.com_google_protobuf_4_31_0.Metrics;
 import io.prometheus.metrics.model.registry.PrometheusRegistry;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;