diff --git a/spark/dl/pom.xml b/spark/dl/pom.xml
index 87e05f8ee03..ee66b4ac853 100644
--- a/spark/dl/pom.xml
+++ b/spark/dl/pom.xml
@@ -31,11 +31,6 @@
             <artifactId>imageio-jpeg</artifactId>
             <version>3.2.1</version>
         </dependency>
-        <dependency>
-            <groupId>com.google.protobuf</groupId>
-            <artifactId>protobuf-java</artifactId>
-            <version>3.4.0</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-client</artifactId>
@@ -203,7 +198,7 @@
                     <relocations>
                         <relocation>
                             <pattern>com.google.protobuf</pattern>
-                            <shadedPattern>com.intel.analytics.bigdl.shaded.protobuf</shadedPattern>
+                            <shadedPattern>com.intel.analytics.shaded.protobuf_v_3_5_1</shadedPattern>
                         </relocation>
                     </relocations>
                 </configuration>