diff --git a/pom.xml b/pom.xml
index bc531f5..7287b14 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>30.0-jre</version>
+            <version>32.0.1-jre</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.2.0.RELEASE</version>
+            <version>5.2.19.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>redis.clients</groupId>
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.6.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.lmax/disruptor -->
         <dependency>