diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index 97bfbcc759a8..33204fd2c9c2 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -103,7 +103,7 @@ val DEPENDENCIES = listOf(
   "io.opentelemetry.contrib:opentelemetry-aws-xray-propagator:${otelContribVersion}",
   "io.opentelemetry.contrib:opentelemetry-gcp-resources:${otelContribVersion}",
   "io.opentelemetry.contrib:opentelemetry-baggage-processor:${otelContribVersion}",
-  "io.opentelemetry.proto:opentelemetry-proto:1.4.0-alpha",
+  "io.opentelemetry.proto:opentelemetry-proto:1.5.0-alpha",
   "io.opentelemetry:opentelemetry-extension-annotations:1.18.0", // deprecated, no longer part of bom
   "org.assertj:assertj-core:3.27.2",
   "org.awaitility:awaitility:4.2.2",
diff --git a/examples/distro/smoke-tests/build.gradle b/examples/distro/smoke-tests/build.gradle
index fc3fb037f5da..2fe15ca45a06 100644
--- a/examples/distro/smoke-tests/build.gradle
+++ b/examples/distro/smoke-tests/build.gradle
@@ -7,7 +7,7 @@ dependencies {
   testImplementation("com.fasterxml.jackson.core:jackson-databind:2.18.2")
   testImplementation("com.google.protobuf:protobuf-java-util:4.29.2")
   testImplementation("com.squareup.okhttp3:okhttp:4.12.0")
-  testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.4.0-alpha")
+  testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.5.0-alpha")
   testImplementation("io.opentelemetry:opentelemetry-api")
 
   testImplementation("ch.qos.logback:logback-classic:1.5.16")
diff --git a/examples/extension/build.gradle b/examples/extension/build.gradle
index 87e0854dec5d..5127b374bb5f 100644
--- a/examples/extension/build.gradle
+++ b/examples/extension/build.gradle
@@ -104,7 +104,7 @@ dependencies {
   testImplementation("com.google.protobuf:protobuf-java-util:4.29.2")
   testImplementation("com.squareup.okhttp3:okhttp:4.12.0")
   testImplementation("io.opentelemetry:opentelemetry-api")
-  testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.4.0-alpha")
+  testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.5.0-alpha")
 
   testImplementation("org.junit.jupiter:junit-jupiter-api:${versions.junit}")
   testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:${versions.junit}")