diff --git a/adapter-protobuf-java/build.gradle.kts b/adapter-protobuf-java/build.gradle.kts
index 59af754..b889261 100644
--- a/adapter-protobuf-java/build.gradle.kts
+++ b/adapter-protobuf-java/build.gradle.kts
@@ -18,7 +18,7 @@ dependencies {
 
 protobuf {
     protoc {
-        artifact = "com.google.protobuf:protoc:3.15.1"
+        artifact = "com.google.protobuf:protoc:3.15.3"
     }
     generateProtoTasks {
         ofSourceSet("protobuf").forEach { task ->