diff --git a/pom.xml b/pom.xml
index 4882cf7..ae1eb43 100644
--- a/pom.xml
+++ b/pom.xml
@@ -66,7 +66,7 @@
             <dependency>
                 <groupId>com.google.guava</groupId>
                 <artifactId>guava</artifactId>
-                <version>30.1.1-jre</version>
+                <version>32.0.0-jre</version>
             </dependency>
             <dependency>
                 <groupId>org.projectlombok</groupId>
diff --git a/spring-boot-geetest/pom.xml b/spring-boot-geetest/pom.xml
index 844fee0..03208f9 100644
--- a/spring-boot-geetest/pom.xml
+++ b/spring-boot-geetest/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>30.0-jre</version>
+            <version>32.0.0-jre</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
diff --git a/springboot-demo/pom.xml b/springboot-demo/pom.xml
index 2e13ee7..ec68faa 100644
--- a/springboot-demo/pom.xml
+++ b/springboot-demo/pom.xml
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>30.0-jre</version>
+            <version>32.0.0-jre</version>
         </dependency>
     </dependencies>
 
diff --git a/springboot-simple-demos/pom.xml b/springboot-simple-demos/pom.xml
index b43250a..55a70d5 100644
--- a/springboot-simple-demos/pom.xml
+++ b/springboot-simple-demos/pom.xml
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>30.0-jre</version>
+            <version>32.0.0-jre</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>