diff --git a/multiple-datasource-mybatis-plus/pom.xml b/multiple-datasource-mybatis-plus/pom.xml
index 6434384..af75240 100644
--- a/multiple-datasource-mybatis-plus/pom.xml
+++ b/multiple-datasource-mybatis-plus/pom.xml
@@ -60,7 +60,7 @@
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
             <scope>runtime</scope>
-            <version>8.0.16</version>
+            <version>8.0.28</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
diff --git a/multiple-datasource/pom.xml b/multiple-datasource/pom.xml
index 90425b6..a018cf7 100644
--- a/multiple-datasource/pom.xml
+++ b/multiple-datasource/pom.xml
@@ -60,7 +60,7 @@
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
             <scope>runtime</scope>
-            <version>8.0.16</version>
+            <version>8.0.28</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
diff --git a/nutzboot-dubbo-fescar/pom.xml b/nutzboot-dubbo-fescar/pom.xml
index d19dc4d..07961ce 100644
--- a/nutzboot-dubbo-fescar/pom.xml
+++ b/nutzboot-dubbo-fescar/pom.xml
@@ -67,7 +67,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>5.1.42</version>
+			<version>8.0.28</version>
 		</dependency>
   </dependencies>
 
diff --git a/pom.xml b/pom.xml
index d82a6f7..8ad65f6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,7 +54,7 @@
         <testng.version>6.4</testng.version>
         <protobuf.version>3.7.1</protobuf.version>
         <spring.version>5.1.3.RELEASE</spring.version>
-        <mysql-connector.version>5.1.31</mysql-connector.version>
+        <mysql-connector.version>8.0.28</mysql-connector.version>
         <curator.version>4.2.0</curator.version>
         <guava.version>27.0.1-jre</guava.version>
         <jackson.version>2.9.10.1</jackson.version>
diff --git a/spring-cloud-alibaba-samples/sca-customer/pom.xml b/spring-cloud-alibaba-samples/sca-customer/pom.xml
index 492b5bd..38bd000 100644
--- a/spring-cloud-alibaba-samples/sca-customer/pom.xml
+++ b/spring-cloud-alibaba-samples/sca-customer/pom.xml
@@ -85,7 +85,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.34</version>
+            <version>8.0.28</version>
         </dependency>
 
 
diff --git a/spring-cloud-alibaba-samples/sca-provider/pom.xml b/spring-cloud-alibaba-samples/sca-provider/pom.xml
index e5557f1..7620b42 100644
--- a/spring-cloud-alibaba-samples/sca-provider/pom.xml
+++ b/spring-cloud-alibaba-samples/sca-provider/pom.xml
@@ -73,7 +73,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.34</version>
+            <version>8.0.28</version>
         </dependency>
     </dependencies>
 
diff --git a/springboot/pom.xml b/springboot/pom.xml
index 08d76de..d5eb132 100644
--- a/springboot/pom.xml
+++ b/springboot/pom.xml
@@ -174,7 +174,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>8.0.14</version><!--$NO-MVN-MAN-VER$ -->
+			<version>8.0.28</version><!--$NO-MVN-MAN-VER$ -->
 		</dependency>
 		
 		<dependency>
diff --git a/springcloud-eureka-seata/pom.xml b/springcloud-eureka-seata/pom.xml
index 1e0a6a7..9de349f 100644
--- a/springcloud-eureka-seata/pom.xml
+++ b/springcloud-eureka-seata/pom.xml
@@ -64,7 +64,7 @@
             <dependency>
                 <groupId>mysql</groupId>
                 <artifactId>mysql-connector-java</artifactId>
-                <version>8.0.11</version>
+                <version>8.0.28</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
diff --git a/springcloud-jpa-seata/pom.xml b/springcloud-jpa-seata/pom.xml
old mode 100755
new mode 100644
index f77292b..05bb04c
--- a/springcloud-jpa-seata/pom.xml
+++ b/springcloud-jpa-seata/pom.xml
@@ -70,7 +70,7 @@
             <dependency>
                 <groupId>mysql</groupId>
                 <artifactId>mysql-connector-java</artifactId>
-                <version>8.0.11</version>
+                <version>8.0.28</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
diff --git a/springcloud-nacos-seata/base-framework-mysql-support/pom.xml b/springcloud-nacos-seata/base-framework-mysql-support/pom.xml
index 9fd0a31..2ee4ef2 100644
--- a/springcloud-nacos-seata/base-framework-mysql-support/pom.xml
+++ b/springcloud-nacos-seata/base-framework-mysql-support/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.39</version>
+            <version>8.0.28</version>
         </dependency>
 
         <dependency>