diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b1498a2ef..4c22aa9480 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -61,6 +61,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `com.google.errorprone:error_prone_annotations` from 2.41.0 to 2.42.0 ([#5648](https://github.com/opensearch-project/security/pull/5648))
 - Bump `com.google.guava:guava` from 33.4.8-jre to 33.5.0-jre ([#5665](https://github.com/opensearch-project/security/pull/5665))
 - Bump `com.typesafe.scala-logging:scala-logging_3` from 3.9.5 to 3.9.6 ([#5663](https://github.com/opensearch-project/security/pull/5663))
+- Sync `org.opensearch:protobufs` version with core ([#5659](https://github.com/opensearch-project/security/pull/5659))
 
 ### Documentation
 
diff --git a/build.gradle b/build.gradle
index 1ac76b5f2c..a5e7428235 100644
--- a/build.gradle
+++ b/build.gradle
@@ -34,7 +34,6 @@ buildscript {
         guava_version = '33.5.0-jre'
         jaxb_version = '2.3.9'
         spring_version = '6.2.11'
-        protobuf_plugin_version = '0.13.0'
 
         if (buildVersionQualifier) {
             opensearch_build += "-${buildVersionQualifier}"
@@ -532,7 +531,7 @@ allprojects {
         integrationTestImplementation("org.opensearch.plugin:reindex-client:${opensearch_version}"){
             exclude(group: 'org.slf4j', module: 'slf4j-api')
         }
-        integrationTestImplementation "org.opensearch:protobufs:${protobuf_plugin_version}"
+        integrationTestImplementation "org.opensearch:protobufs:${versions.opensearchprotobufs}"
         integrationTestImplementation "io.grpc:grpc-stub:${versions.grpc}"
         integrationTestImplementation "io.grpc:grpc-netty-shaded:${versions.grpc}"
         integrationTestImplementation "org.opensearch.plugin:transport-grpc:${opensearch_version}"