diff --git a/pom.xml b/pom.xml
index 15d84bb..9449b80 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,10 +18,10 @@
         <module>java-collection</module>
         <module>java-net</module>
         <module>java-jdbc</module>
+        <module>java8</module>
+        <module>rxjava</module>
         <module>java-annotation</module>
         <module>java-interview</module>
-        <module>rxjava</module>
-        <module>java8-new</module>
     </modules>
 
     <properties>
@@ -35,12 +35,12 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.40</version>
+            <version>8.0.31</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>19.0</version>
+            <version>32.0.1-jre</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -60,17 +60,17 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-access</artifactId>
-            <version>1.2.3</version>
+            <version>1.3.15</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.3</version>
+            <version>1.3.15</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.3</version>
+            <version>1.3.15</version>
         </dependency>
         <dependency>
             <groupId>org.javassist</groupId>
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.49</version>
+            <version>1.2.83_noneautotype</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -100,7 +100,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.6</version>
+            <version>2.14.0</version>
         </dependency>
         <dependency>
             <groupId>commons-cli</groupId>