diff --git a/examples/extension/build.gradle b/examples/extension/build.gradle
index 5042064f51..a6d690223f 100644
--- a/examples/extension/build.gradle
+++ b/examples/extension/build.gradle
@@ -104,7 +104,7 @@ dependencies {
   testImplementation("com.google.protobuf:protobuf-java-util:3.23.4")
   testImplementation("com.squareup.okhttp3:okhttp:4.11.0")
   testImplementation("io.opentelemetry:opentelemetry-api")
-  testImplementation("io.opentelemetry.proto:opentelemetry-proto:0.20.0-alpha")
+  testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.0.0-alpha")
 
   testImplementation("org.junit.jupiter:junit-jupiter-api:${versions.junit}")
   testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:${versions.junit}")