diff --git a/pom.xml b/pom.xml
index 558dfa5..82bafb3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-protobuf</artifactId>
-            <version>1.33.1</version>
+            <version>1.53.0</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/io.grpc/grpc-core -->
         <dependency>