diff --git a/flink-formats/flink-sql-protobuf/src/main/resources/META-INF/NOTICE b/flink-formats/flink-sql-protobuf/src/main/resources/META-INF/NOTICE
index 9ce58585e9c0c..8fdb69ad5f93b 100644
--- a/flink-formats/flink-sql-protobuf/src/main/resources/META-INF/NOTICE
+++ b/flink-formats/flink-sql-protobuf/src/main/resources/META-INF/NOTICE
@@ -6,4 +6,4 @@ The Apache Software Foundation (http://www.apache.org/).
 
 This project bundles the following dependencies under the Apache Software License 2.0. (http://www.apache.org/licenses/LICENSE-2.0.txt)
 
-- com.google.protobuf:protobuf-java:3.17.3
+- com.google.protobuf:protobuf-java:3.21.2