diff --git a/pom.xml b/pom.xml
index 4f93bece..62bce9e8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -359,7 +359,7 @@
 				<dependency>
 					<groupId>com.google.protobuf</groupId>
 					<artifactId>protobuf-java</artifactId>
-					<version>2.5.0</version>
+					<version>3.16.3</version>
 					<exclusions>
 						<exclusion>
 							<groupId>*</groupId>
diff --git a/remoting-common/pom.xml b/remoting-common/pom.xml
index bec693b8..a4bf1663 100644
--- a/remoting-common/pom.xml
+++ b/remoting-common/pom.xml
@@ -128,7 +128,7 @@
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>2.5.0</version>
+			<version>3.16.3</version>
 					 <exclusions>
 						<exclusion>
 							<groupId>*</groupId>
diff --git a/remoting-jsch/pom.xml b/remoting-jsch/pom.xml
index 1e413980..5b496cae 100644
--- a/remoting-jsch/pom.xml
+++ b/remoting-jsch/pom.xml
@@ -119,7 +119,7 @@
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>2.5.0</version>
+			<version>3.16.3</version>
 					 <exclusions>
 						<exclusion>
 							<groupId>*</groupId>
diff --git a/remoting/pom.xml b/remoting/pom.xml
index 1f955ff1..a43d652b 100644
--- a/remoting/pom.xml
+++ b/remoting/pom.xml
@@ -97,7 +97,7 @@
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>2.5.0</version>
+			<version>3.16.3</version>
 					 <exclusions>
 						<exclusion>
 							<groupId>*</groupId>
diff --git a/utilities/pom.xml b/utilities/pom.xml
index fd045939..7fe2ba96 100644
--- a/utilities/pom.xml
+++ b/utilities/pom.xml
@@ -101,7 +101,7 @@
 			<dependency>
 				<groupId>com.google.protobuf</groupId>
 				<artifactId>protobuf-java</artifactId>
-				<version>2.5.0</version>
+				<version>3.16.3</version>
 			</dependency>
 			<dependency>
 				<groupId>log4j</groupId>