diff --git a/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml
index d44e9d598..b51937e81 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml
@@ -11,7 +11,7 @@
 	<name>spring-cloud-function-grpc-cloudevent-ext</name>
 	<description>CloudEvent extension for spring-cloud-function-grpc</description>
 	<properties>
-		<grpc.version>1.55.1</grpc.version>
+		<grpc.version>1.55.3</grpc.version>
 	</properties>
 	<dependencies>
 		<dependency>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml
index ac4f96b81..59dd12d1a 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml
@@ -13,7 +13,7 @@
 		<version>4.3.3-SNAPSHOT</version>
 	</parent>
 	<properties>
-		<grpc.version>1.55.1</grpc.version>
+		<grpc.version>1.55.3</grpc.version>
 		<disable.checks>true</disable.checks>
 	</properties>
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml b/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml
index f275538c1..efd043bfa 100644
--- a/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml
+++ b/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml
@@ -17,7 +17,7 @@
 	<description>Demo project for Spring Boot</description>
 	<properties>
 		<spring-cloud-function.version>4.3.3-SNAPSHOT</spring-cloud-function.version>
-		<grpc.version>1.55.1</grpc.version>
+		<grpc.version>1.55.3</grpc.version>
 	</properties>
 	<dependencies>
 		<dependency>