diff --git a/dependencies/pom.xml b/dependencies/pom.xml
index b57e39d12fa..38d0a26bccf 100644
--- a/dependencies/pom.xml
+++ b/dependencies/pom.xml
@@ -61,7 +61,7 @@
         <version.lib.graphql-java>22.1</version.lib.graphql-java>
         <version.lib.graphql-java.extended.scalars>22.0</version.lib.graphql-java.extended.scalars>
         <version.lib.gson>2.9.0</version.lib.gson>
-        <version.lib.grpc>1.60.0</version.lib.grpc>
+        <version.lib.grpc>1.65.1</version.lib.grpc>
         <version.lib.guava>32.0.1-jre</version.lib.guava>
         <version.lib.h2>2.1.212</version.lib.h2>
         <version.lib.hamcrest>1.3</version.lib.hamcrest>
diff --git a/grpc/core/pom.xml b/grpc/core/pom.xml
index 8024f7e86ab..6ea50e3e7fd 100644
--- a/grpc/core/pom.xml
+++ b/grpc/core/pom.xml
@@ -57,6 +57,10 @@
             <groupId>io.grpc</groupId>
             <artifactId>grpc-inprocess</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.grpc</groupId>
+            <artifactId>grpc-util</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-netty</artifactId>
diff --git a/grpc/core/src/main/java/io/helidon/grpc/core/MarshallerSupplier.java b/grpc/core/src/main/java/io/helidon/grpc/core/MarshallerSupplier.java
index 47e14278f76..4f48fa532ea 100644
--- a/grpc/core/src/main/java/io/helidon/grpc/core/MarshallerSupplier.java
+++ b/grpc/core/src/main/java/io/helidon/grpc/core/MarshallerSupplier.java
@@ -16,9 +16,9 @@
 
 package io.helidon.grpc.core;
 
-import com.google.protobuf.MessageLite;
+import com.google.protobuf.Message;
 import io.grpc.MethodDescriptor;
-import io.grpc.protobuf.lite.ProtoLiteUtils;
+import io.grpc.protobuf.ProtoUtils;
 import jakarta.inject.Named;
 
 /**
@@ -68,7 +68,7 @@ class DefaultMarshallerSupplier
 
         @Override
         public <T> MethodDescriptor.Marshaller<T> get(Class<T> clazz) {
-            if (MessageLite.class.isAssignableFrom(clazz)) {
+            if (Message.class.isAssignableFrom(clazz)) {
                 return proto.get(clazz);
             }
             String msg = String.format(
@@ -91,9 +91,9 @@ class ProtoMarshallerSupplier
         public <T> MethodDescriptor.Marshaller<T> get(Class<T> clazz) {
             try {
                 java.lang.reflect.Method getDefaultInstance = clazz.getDeclaredMethod("getDefaultInstance");
-                MessageLite instance = (MessageLite) getDefaultInstance.invoke(clazz);
+                Message instance = (Message) getDefaultInstance.invoke(clazz);
 
-                return (MethodDescriptor.Marshaller<T>) ProtoLiteUtils.marshaller(instance);
+                return (MethodDescriptor.Marshaller<T>) ProtoUtils.marshaller(instance);
             } catch (Exception e) {
                 String msg = String.format(
                         "Attempting to use class %s, which is not a valid Protocol buffer message, with a default marshaller",
diff --git a/grpc/core/src/main/java/module-info.java b/grpc/core/src/main/java/module-info.java
index 93ee54203bd..8c68f292753 100644
--- a/grpc/core/src/main/java/module-info.java
+++ b/grpc/core/src/main/java/module-info.java
@@ -33,7 +33,6 @@
 
     requires io.grpc.netty;
     requires transitive io.grpc.protobuf;
-    requires io.grpc.protobuf.lite;
     requires transitive io.grpc.stub;
     requires transitive io.grpc;
     requires io.netty.handler;
diff --git a/microprofile/grpc/server/src/main/java/module-info.java b/microprofile/grpc/server/src/main/java/module-info.java
index 9b28f9214b1..798a8501730 100644
--- a/microprofile/grpc/server/src/main/java/module-info.java
+++ b/microprofile/grpc/server/src/main/java/module-info.java
@@ -27,7 +27,6 @@
     requires io.helidon.microprofile.server;
     requires io.helidon.config.mp;
 
-    requires io.grpc.protobuf.lite;
     requires com.google.protobuf;
 
     requires java.logging;