diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index 641c62207..ec6ef7c1f 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -30,7 +30,7 @@ dependencies {
     api("com.google.errorprone:error_prone_annotations:2.41.0")
     api("com.google.errorprone:error_prone_core:2.41.0")
     api("io.github.netmikey.logunit:logunit-jul:2.0.0")
-    api("io.opentelemetry.proto:opentelemetry-proto:1.7.0-alpha")
+    api("io.opentelemetry.proto:opentelemetry-proto:1.8.0-alpha")
     api("io.prometheus:simpleclient:0.16.0")
     api("io.prometheus:simpleclient_common:0.16.0")
     api("io.prometheus:simpleclient_httpserver:0.16.0")
diff --git a/disk-buffering/build.gradle.kts b/disk-buffering/build.gradle.kts
index 0a883cf73..d851f58de 100644
--- a/disk-buffering/build.gradle.kts
+++ b/disk-buffering/build.gradle.kts
@@ -23,7 +23,7 @@ dependencies {
   testImplementation("org.mockito:mockito-inline")
   testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
 
-  protos("io.opentelemetry.proto:opentelemetry-proto:1.7.0-alpha@jar")
+  protos("io.opentelemetry.proto:opentelemetry-proto:1.8.0-alpha@jar")
 }
 
 jmh {
diff --git a/gcp-auth-extension/build.gradle.kts b/gcp-auth-extension/build.gradle.kts
index f378df0d9..6a86c5d0d 100644
--- a/gcp-auth-extension/build.gradle.kts
+++ b/gcp-auth-extension/build.gradle.kts
@@ -42,7 +42,7 @@ dependencies {
   testImplementation("org.mockito:mockito-inline")
   testImplementation("org.mockito:mockito-junit-jupiter")
   testImplementation("org.mock-server:mockserver-netty:5.15.0")
-  testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.7.0-alpha")
+  testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.8.0-alpha")
   testImplementation("org.springframework.boot:spring-boot-starter-web:2.7.18")
   testImplementation("org.springframework.boot:spring-boot-starter:2.7.18")
   testImplementation("org.springframework.boot:spring-boot-starter-test:2.7.18")
diff --git a/jmx-metrics/build.gradle.kts b/jmx-metrics/build.gradle.kts
index d5376e670..bc895cfc5 100644
--- a/jmx-metrics/build.gradle.kts
+++ b/jmx-metrics/build.gradle.kts
@@ -47,7 +47,7 @@ testing {
       dependencies {
         implementation("com.linecorp.armeria:armeria-grpc")
         implementation("com.linecorp.armeria:armeria-junit5")
-        implementation("io.opentelemetry.proto:opentelemetry-proto:1.7.0-alpha")
+        implementation("io.opentelemetry.proto:opentelemetry-proto:1.8.0-alpha")
         implementation("org.testcontainers:junit-jupiter")
         implementation("org.slf4j:slf4j-simple")
       }
diff --git a/jmx-scraper/build.gradle.kts b/jmx-scraper/build.gradle.kts
index 9e2878549..687b30612 100644
--- a/jmx-scraper/build.gradle.kts
+++ b/jmx-scraper/build.gradle.kts
@@ -39,7 +39,7 @@ testing {
         implementation("org.slf4j:slf4j-simple")
         implementation("com.linecorp.armeria:armeria-junit5")
         implementation("com.linecorp.armeria:armeria-grpc")
-        implementation("io.opentelemetry.proto:opentelemetry-proto:1.7.0-alpha")
+        implementation("io.opentelemetry.proto:opentelemetry-proto:1.8.0-alpha")
         implementation("org.bouncycastle:bcprov-jdk18on:1.81")
         implementation("org.bouncycastle:bcpkix-jdk18on:1.81")
       }
diff --git a/kafka-exporter/build.gradle.kts b/kafka-exporter/build.gradle.kts
index d4aed3f54..5f189f97a 100644
--- a/kafka-exporter/build.gradle.kts
+++ b/kafka-exporter/build.gradle.kts
@@ -14,7 +14,7 @@ otelJava {
 dependencies {
   api("io.opentelemetry:opentelemetry-sdk-trace")
   api("io.opentelemetry:opentelemetry-sdk-common")
-  api("io.opentelemetry.proto:opentelemetry-proto:1.7.0-alpha")
+  api("io.opentelemetry.proto:opentelemetry-proto:1.8.0-alpha")
   api("org.apache.kafka:kafka-clients")
 
   compileOnly("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure")