diff --git a/apm-collector/apm-collector-agent/agent-grpc/agent-grpc-provider/pom.xml b/apm-collector/apm-collector-agent/agent-grpc/agent-grpc-provider/pom.xml
index 3e8c54c3e..b41ad3cd5 100644
--- a/apm-collector/apm-collector-agent/agent-grpc/agent-grpc-provider/pom.xml
+++ b/apm-collector/apm-collector-agent/agent-grpc/agent-grpc-provider/pom.xml
@@ -28,9 +28,17 @@
 
     <artifactId>agent-grpc-provider</artifactId>
     <properties>
-        <grpc.version>1.10.0</grpc.version>
+        <grpc.version>1.14.0</grpc.version>
+        <guava.version>20.0</guava.version>
     </properties>
-
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>com.google.guava</groupId>
+                <artifactId>guava</artifactId>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
     <dependencies>
         <dependency>
             <groupId>org.apache.skywalking</groupId>
diff --git a/apm-collector/apm-collector-component/server-component/pom.xml b/apm-collector/apm-collector-component/server-component/pom.xml
index 2dc32e806..9bdc82585 100644
--- a/apm-collector/apm-collector-component/server-component/pom.xml
+++ b/apm-collector/apm-collector-component/server-component/pom.xml
@@ -28,7 +28,17 @@
 
     <artifactId>server-component</artifactId>
     <packaging>jar</packaging>
-
+    <properties>
+        <guava.version>20.0</guava.version>
+    </properties>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>com.google.guava</groupId>
+                <artifactId>guava</artifactId>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
     <dependencies>
         <dependency>
             <groupId>org.apache.skywalking</groupId>
diff --git a/apm-collector/pom.xml b/apm-collector/pom.xml
index 649115d27..158da49fe 100644
--- a/apm-collector/pom.xml
+++ b/apm-collector/pom.xml
@@ -52,7 +52,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <slf4j.version>1.7.25</slf4j.version>
         <log4j.version>2.9.0</log4j.version>
-        <guava.version>19.0</guava.version>
+        <guava.version>20.0</guava.version>
         <caffeine.version>2.6.2</caffeine.version>
         <snakeyaml.version>1.18</snakeyaml.version>
         <byte-buddy.version>1.7.8</byte-buddy.version>
diff --git a/apm-protocol/apm-network/pom.xml b/apm-protocol/apm-network/pom.xml
index ed6ae99d1..1a4c9975c 100644
--- a/apm-protocol/apm-network/pom.xml
+++ b/apm-protocol/apm-network/pom.xml
@@ -30,8 +30,8 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <compiler.version>1.6</compiler.version>
-        <grpc.version>1.10.0</grpc.version>
-        <netty.version>4.1.17.Final</netty.version>
+        <grpc.version>1.14.0</grpc.version>
+        <netty.version>4.1.27.Final</netty.version>
         <netty-tcnative-boringssl-static.version>2.0.7.Final</netty-tcnative-boringssl-static.version>
         <os-maven-plugin.version>1.5.0.Final</os-maven-plugin.version>
         <protobuf-maven-plugin.version>0.5.0</protobuf-maven-plugin.version>
diff --git a/apm-sniffer/apm-agent-core/pom.xml b/apm-sniffer/apm-agent-core/pom.xml
index 275c8d551..337e37576 100644
--- a/apm-sniffer/apm-agent-core/pom.xml
+++ b/apm-sniffer/apm-agent-core/pom.xml
@@ -34,13 +34,13 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <jetty.version>9.4.2.v20170220</jetty.version>
-        <grpc.version>1.10.0</grpc.version>
+        <grpc.version>1.14.0</grpc.version>
+        <guava.version>20.0</guava.version>
         <bytebuddy.version>1.7.9</bytebuddy.version>
         <disruptor.version>3.3.6</disruptor.version>
         <apache-httpclient.version>4.5.3</apache-httpclient.version>
         <wiremock.version>2.6.0</wiremock.version>
         <os-maven-plugin.version>1.4.1.Final</os-maven-plugin.version>
-
         <shade.package>org.apache.skywalking.apm.dependencies</shade.package>
         <shade.com.lmax.disruptor.source>com.lmax.disruptor</shade.com.lmax.disruptor.source>
         <shade.com.lmax.disruptor.target>${shade.package}.${shade.com.lmax.disruptor.source}
@@ -64,6 +64,7 @@
             <groupId>org.apache.skywalking</groupId>
             <artifactId>apm-network</artifactId>
             <version>${project.version}</version>
+
         </dependency>
         <dependency>
             <groupId>org.apache.skywalking</groupId>
@@ -108,6 +109,7 @@
             <artifactId>wiremock</artifactId>
             <version>${wiremock.version}</version>
             <scope>test</scope>
+
         </dependency>
         <dependency>
             <groupId>io.grpc</groupId>
@@ -127,7 +129,17 @@
             <version>${project.version}</version>
         </dependency>
     </dependencies>
+    <dependencyManagement>
+<dependencies>
+    <dependency>
+        <groupId>com.google.guava</groupId>
+        <artifactId>guava</artifactId>
+        <version>${guava.version}</version>
+    </dependency>
+</dependencies>
+    </dependencyManagement>
     <build>
+
         <extensions>
             <extension>
                 <groupId>kr.motd.maven</groupId>
diff --git a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml
index 9620f64c3..4657f8dd8 100644
--- a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml
@@ -34,7 +34,6 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <apache-httpclient.version>4.3</apache-httpclient.version>
-        <log4j-core.version>2.4.1</log4j-core.version>
         <junit.version>4.12</junit.version>
     </properties>
 
@@ -46,12 +45,7 @@
             <scope>provided</scope>
         </dependency>
         
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j-core.version}</version>
-            <scope>test</scope>
-        </dependency>
+
 
         <dependency>
             <groupId>junit</groupId>
diff --git a/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml
index 163562944..d2c6e80a4 100644
--- a/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml
@@ -32,7 +32,6 @@
     <url>http://maven.apache.org</url>
     <properties>
         <jedis.version>2.9.0</jedis.version>
-        <log4j-core.version>2.4.1</log4j-core.version>
     </properties>
 
     <dependencies>
@@ -43,11 +42,5 @@
             <scope>provided</scope>
         </dependency>
 
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j-core.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 </project>
diff --git a/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml
index bcf4e772b..1275fe7a6 100644
--- a/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml
@@ -32,7 +32,6 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spymemcached.version>2.11.1</spymemcached.version>
-        <log4j-core.version>2.4.1</log4j-core.version>
     </properties>
 
     <dependencies>
@@ -42,11 +41,6 @@
             <version>${spymemcached.version}</version>
             <scope>provided</scope>
         </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j-core.version}</version>
-            <scope>test</scope>
-        </dependency>
+
     </dependencies>
 </project>
diff --git a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml
index f47fd4dbf..791d7ec65 100644
--- a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml
@@ -32,7 +32,6 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
         <xmemcached.version>2.0.0</xmemcached.version>
-        <log4j-core.version>2.4.1</log4j-core.version>
     </properties>
 
     <dependencies>
@@ -42,11 +41,5 @@
             <version>${xmemcached.version}</version>
             <scope>provided</scope>
         </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j-core.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 </project>