diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index 0865610e7..448fd0a08 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -56,7 +56,7 @@ dependencies {
     api("io.opentelemetry.contrib:opentelemetry-samplers:$otelContribAlphaVersion")
     api("io.opentelemetry.contrib:opentelemetry-resource-providers:$otelContribAlphaVersion")
     api("io.opentelemetry.contrib:opentelemetry-opamp-client:${otelContribAlphaVersion}")
-    api("io.opentelemetry.proto:opentelemetry-proto:1.8.0-alpha")
+    api("io.opentelemetry.proto:opentelemetry-proto:1.9.0-alpha")
 
     api("org.apache.commons:commons-jexl3:3.6.0")
     api("org.snakeyaml:snakeyaml-engine:2.10")