diff --git a/managed-ledger/pom.xml b/managed-ledger/pom.xml
index eb6fe02c85a75..169d9f33144a5 100644
--- a/managed-ledger/pom.xml
+++ b/managed-ledger/pom.xml
@@ -52,7 +52,6 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>${protobuf3.version}</version>
     </dependency>
 
     <dependency>
diff --git a/pom.xml b/pom.xml
index c80704f3ef730..c57f0cc819aaa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -124,9 +124,9 @@ flexible messaging model and an intuitive client API.</description>
     <typetools.version>0.5.0</typetools.version>
     <protobuf2.version>2.4.1</protobuf2.version>
     <protobuf3.version>3.11.4</protobuf3.version>
-    <protoc3.version>3.11.4</protoc3.version>
+    <protoc3.version>${protobuf3.version}</protoc3.version>
     <grpc.version>1.18.0</grpc.version>
-    <protoc-gen-grpc-java.version>1.12.0</protoc-gen-grpc-java.version>
+    <protoc-gen-grpc-java.version>${grpc.version}</protoc-gen-grpc-java.version>
     <gson.version>2.8.2</gson.version>
     <sketches.version>0.8.3</sketches.version>
     <hbc-core.version>2.2.0</hbc-core.version>
@@ -803,6 +803,14 @@ flexible messaging model and an intuitive client API.</description>
         <version>${grpc.version}</version>
       </dependency>
 
+      <dependency>
+        <groupId>com.google.protobuf</groupId>
+        <artifactId>protobuf-bom</artifactId>
+        <version>${protobuf3.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+
       <dependency>
         <groupId>com.google.code.gson</groupId>
         <artifactId>gson</artifactId>
diff --git a/pulsar-broker/pom.xml b/pulsar-broker/pom.xml
index 97290a428f21f..cb9ab2663130b 100644
--- a/pulsar-broker/pom.xml
+++ b/pulsar-broker/pom.xml
@@ -68,7 +68,6 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>${protobuf3.version}</version>
     </dependency>
 
     <dependency>
diff --git a/pulsar-client-api/pom.xml b/pulsar-client-api/pom.xml
index 64333ea4529bb..aa8afe179fb61 100644
--- a/pulsar-client-api/pom.xml
+++ b/pulsar-client-api/pom.xml
@@ -36,7 +36,6 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>${protobuf3.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/pulsar-client/pom.xml b/pulsar-client/pom.xml
index 29cf431214fcb..8909964022d0b 100644
--- a/pulsar-client/pom.xml
+++ b/pulsar-client/pom.xml
@@ -136,7 +136,6 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>${protobuf3.version}</version>
       <scope>provided</scope>
     </dependency>
 
diff --git a/pulsar-functions/proto/pom.xml b/pulsar-functions/proto/pom.xml
index 13335d4ebf690..3d48e24d014de 100644
--- a/pulsar-functions/proto/pom.xml
+++ b/pulsar-functions/proto/pom.xml
@@ -38,13 +38,11 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>${protobuf3.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java-util</artifactId>
-            <version>${protobuf3.version}</version>
         </dependency>
         
         <dependency>
diff --git a/pulsar-transaction/common/pom.xml b/pulsar-transaction/common/pom.xml
index 04fb04cd4d34d..7c148a6da5ad3 100644
--- a/pulsar-transaction/common/pom.xml
+++ b/pulsar-transaction/common/pom.xml
@@ -38,13 +38,11 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>${protobuf3.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java-util</artifactId>
-            <version>${protobuf3.version}</version>
         </dependency>
 
     </dependencies>
@@ -69,4 +67,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
\ No newline at end of file
+</project>
diff --git a/tiered-storage/file-system/pom.xml b/tiered-storage/file-system/pom.xml
index ab8741baea86f..4ac0bc84b6c0f 100644
--- a/tiered-storage/file-system/pom.xml
+++ b/tiered-storage/file-system/pom.xml
@@ -50,7 +50,6 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>${protobuf3.version}</version>
         </dependency>
 
         <dependency>