diff --git a/mysql-replicator/pom.xml b/mysql-replicator/pom.xml
index f44f519c..ed9ee6b6 100644
--- a/mysql-replicator/pom.xml
+++ b/mysql-replicator/pom.xml
@@ -39,7 +39,7 @@
                 <dependency>
                     <groupId>com.google.protobuf</groupId>
                     <artifactId>protobuf-java</artifactId>
-                    <version>2.5.0</version>
+                    <version>3.16.1</version>
                 </dependency>
                 <dependency>
                     <groupId>com.google.guava</groupId>
@@ -61,7 +61,7 @@
                 <dependency>
                     <groupId>com.google.protobuf</groupId>
                     <artifactId>protobuf-java</artifactId>
-                    <version>3.6.0</version>
+                    <version>3.16.1</version>
                 </dependency>
                 <dependency>
                     <groupId>com.google.guava</groupId>