diff --git a/cim-boot-server/pom.xml b/cim-boot-server/pom.xml
index 3979b7d..c4f8073 100644
--- a/cim-boot-server/pom.xml
+++ b/cim-boot-server/pom.xml
@@ -18,7 +18,7 @@
     <properties>
         <java.version>1.8</java.version>
         <netty.version>4.1.79.Final</netty.version>
-        <protobuf.version>3.21.5</protobuf.version>
+        <protobuf.version>3.21.7</protobuf.version>
         <mysql.jdbc.version>8.0.30</mysql.jdbc.version>
         <common.pool.version>2.11.1</common.pool.version>
         <swagger.version>3.0.0</swagger.version>