diff --git a/ballerina/Ballerina.toml b/ballerina/Ballerina.toml
index a29dd5980..8695920be 100644
--- a/ballerina/Ballerina.toml
+++ b/ballerina/Ballerina.toml
@@ -1,7 +1,7 @@
 [package]
 org = "ballerina"
 name = "grpc"
-version = "1.14.3"
+version = "1.14.4"
 distribution = "2201.12.0"
 authors = ["Ballerina"]
 keywords = ["network", "grpc", "protobuf", "server-streaming", "client-streaming", "bidirectional-streaming"]
@@ -16,11 +16,11 @@ graalvmCompatible = true
 [[platform.java21.dependency]]
 groupId = "io.ballerina.stdlib"
 artifactId = "grpc-native"
-version = "1.14.3"
-path = "../native/build/libs/grpc-native-1.14.3.jar"
+version = "1.14.4"
+path = "../native/build/libs/grpc-native-1.14.4-SNAPSHOT.jar"
 
 [[platform.java21.dependency]]
-path = "../test-utils/build/libs/grpc-test-utils-1.14.3.jar"
+path = "../test-utils/build/libs/grpc-test-utils-1.14.4-SNAPSHOT.jar"
 scope = "testOnly"
 
 [[platform.java21.dependency]]
diff --git a/ballerina/CompilerPlugin.toml b/ballerina/CompilerPlugin.toml
index cf89364ab..2ce8da1d8 100644
--- a/ballerina/CompilerPlugin.toml
+++ b/ballerina/CompilerPlugin.toml
@@ -3,4 +3,4 @@ id = "grpc-compiler-plugin"
 class = "io.ballerina.stdlib.grpc.plugin.GrpcCompilerPlugin"
 
 [[dependency]]
-path = "../compiler-plugin/build/libs/grpc-compiler-plugin-1.14.3.jar"
+path = "../compiler-plugin/build/libs/grpc-compiler-plugin-1.14.4-SNAPSHOT.jar"
diff --git a/ballerina/Dependencies.toml b/ballerina/Dependencies.toml
index a17315257..1bc8dc27a 100644
--- a/ballerina/Dependencies.toml
+++ b/ballerina/Dependencies.toml
@@ -44,7 +44,7 @@ dependencies = [
 [[package]]
 org = "ballerina"
 name = "crypto"
-version = "2.9.2"
+version = "2.9.3"
 dependencies = [
 	{org = "ballerina", name = "jballerina.java"},
 	{org = "ballerina", name = "time"}
@@ -78,7 +78,7 @@ dependencies = [
 [[package]]
 org = "ballerina"
 name = "grpc"
-version = "1.14.3"
+version = "1.14.4"
 dependencies = [
 	{org = "ballerina", name = "auth"},
 	{org = "ballerina", name = "crypto"},
@@ -302,7 +302,7 @@ modules = [
 [[package]]
 org = "ballerina"
 name = "observe"
-version = "1.5.0"
+version = "1.5.1"
 dependencies = [
 	{org = "ballerina", name = "jballerina.java"}
 ]
diff --git a/native/src/main/java/io/ballerina/stdlib/grpc/GrpcUtil.java b/native/src/main/java/io/ballerina/stdlib/grpc/GrpcUtil.java
index e51e311e0..c2d495a2d 100644
--- a/native/src/main/java/io/ballerina/stdlib/grpc/GrpcUtil.java
+++ b/native/src/main/java/io/ballerina/stdlib/grpc/GrpcUtil.java
@@ -80,6 +80,9 @@ private GrpcUtil() {
 
     private static final Logger log = LoggerFactory.getLogger(GrpcUtil.class);
 
+    private static final int BUFFER_SIZE = 1048576;
+    private static final int BACK_LOG = 100;
+
     public static ConnectionManager getConnectionManager(BMap<BString, Long> poolStruct) {
 
         ConnectionManager poolManager = (ConnectionManager) poolStruct.getNativeData(CONNECTION_MANAGER);
@@ -233,6 +236,8 @@ public static ListenerConfiguration getListenerConfig(long port, BMap endpointCo
             listenerConfiguration.setServerHeader(getServerName());
         }
 
+        setSocketConfig(listenerConfiguration);
+
         if (sslConfig != null) {
             return setSslConfig(sslConfig, listenerConfiguration);
         }
@@ -246,6 +251,12 @@ public static ListenerConfiguration getListenerConfig(long port, BMap endpointCo
         return listenerConfiguration;
     }
 
+    private static void setSocketConfig(ListenerConfiguration listenerConfiguration) {
+        listenerConfiguration.setReceiveBufferSize(BUFFER_SIZE);
+        listenerConfiguration.setSendBufferSize(BUFFER_SIZE);
+        listenerConfiguration.setSoBackLog(BACK_LOG);
+    }
+
     private static String getServerName() {
 
         String userAgent;
diff --git a/native/src/main/java/io/ballerina/stdlib/grpc/nativeimpl/serviceendpoint/FunctionUtils.java b/native/src/main/java/io/ballerina/stdlib/grpc/nativeimpl/serviceendpoint/FunctionUtils.java
index 6ac0a4f99..dc8ce3eb0 100644
--- a/native/src/main/java/io/ballerina/stdlib/grpc/nativeimpl/serviceendpoint/FunctionUtils.java
+++ b/native/src/main/java/io/ballerina/stdlib/grpc/nativeimpl/serviceendpoint/FunctionUtils.java
@@ -152,7 +152,7 @@ private static Object startServerConnector(BObject listener, ServicesRegistry se
         try {
             serverConnectorFuture.sync();
         } catch (Exception ex) {
-            return MessageUtils.getConnectorError(new StatusRuntimeException(Status
+            throw MessageUtils.getConnectorError(new StatusRuntimeException(Status
                     .fromCode(Status.Code.INTERNAL.toStatus().getCode()).withDescription(
                             "Failed to start server connector '" + serverConnector.getConnectorID()
                                     + "'. " + ex.getMessage())));
@@ -192,9 +192,15 @@ public static Object externStart(BObject listener) {
      */
     public static Object gracefulStop(BObject serverEndpoint) {
 
-        getServerConnector(serverEndpoint).stop();
-        serverEndpoint.addNativeData(GrpcConstants.CONNECTOR_STARTED, false);
-        return null;
+        try {
+            getServerConnector(serverEndpoint).stop();
+            serverEndpoint.addNativeData(GrpcConstants.CONNECTOR_STARTED, false);
+            return null;
+        } catch (Exception ex) {
+            return MessageUtils.getConnectorError(new StatusRuntimeException(Status
+                    .fromCode(Status.Code.INTERNAL.toStatus().getCode()).withDescription(
+                            "Failed to stop server connector gracefully. " + ex.getMessage())));
+        }
     }
 
     /**
@@ -204,9 +210,16 @@ public static Object gracefulStop(BObject serverEndpoint) {
      * @return Error if there is an error while stopping the server, else returns nil.
      */
     public static Object immediateStop(BObject serverEndpoint) {
-        getServerConnector(serverEndpoint).immediateStop();
-        serverEndpoint.addNativeData(GrpcConstants.CONNECTOR_STARTED, false);
-        return null;
+
+        try {
+            getServerConnector(serverEndpoint).immediateStop();
+            serverEndpoint.addNativeData(GrpcConstants.CONNECTOR_STARTED, false);
+            return null;
+        } catch (Exception ex) {
+            return MessageUtils.getConnectorError(new StatusRuntimeException(Status
+                    .fromCode(Status.Code.INTERNAL.toStatus().getCode()).withDescription(
+                            "Failed to stop server connector immediately. " + ex.getMessage())));
+        }
     }
 
     public static Object nextResult(Environment env, BObject streamIterator) {