diff --git a/dependencies/default/pom.xml b/dependencies/default/pom.xml
index e7c045f..85a2d8a 100644
--- a/dependencies/default/pom.xml
+++ b/dependencies/default/pom.xml
@@ -80,7 +80,7 @@
     <micrometer.version>1.9.1</micrometer.version>
     <nacos-client.version>2.1.0</nacos-client.version>
     <prometheus.version>0.16.0</prometheus.version>
-    <protobuf.version>3.21.1</protobuf.version>
+    <protobuf.version>3.21.2</protobuf.version>
     <protostuff.version>1.8.0</protostuff.version>
     <protostuff-parser.version>2.2.27</protostuff-parser.version>
     <resilience4j.versioin>1.7.0</resilience4j.versioin>