diff --git a/a21-grpc/a21-grpc-server/pom.xml b/a21-grpc/a21-grpc-server/pom.xml
index 8d41a814..ce3b0327 100644
--- a/a21-grpc/a21-grpc-server/pom.xml
+++ b/a21-grpc/a21-grpc-server/pom.xml
@@ -71,7 +71,7 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-netty-shaded</artifactId>
-            <version>1.71.0</version>
+            <version>1.75.0</version>
         </dependency>