diff --git a/.github/workflows/publish-to-maven.yml b/.github/workflows/publish-to-maven.yml
index e3f06c1..1eded8b 100644
--- a/.github/workflows/publish-to-maven.yml
+++ b/.github/workflows/publish-to-maven.yml
@@ -1,4 +1,4 @@
-# This workflow will publish AMaaS Java SDK to Maven Central with OSSRH
+# This workflow will publish AMaaS Java SDK to Maven Central via Central Publisher Portal
 
 name: Java with Maven
 
@@ -16,8 +16,8 @@ jobs:
       uses: actions/setup-java@v3
       with:
         java-version: '8'
-        distribution: 'adopt'
-        server-id: ossrh
+        distribution: 'temurin'
+        server-id: central
         server-username: MAVEN_USERNAME
         server-password: MAVEN_PASSWORD
         gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
@@ -38,6 +38,6 @@ jobs:
       run: |
         mvn -B clean ${{env.PACK_CMD}}
       env:
-        MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
-        MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
+        MAVEN_USERNAME: ${{ secrets.CENTRAL_USERNAME }}
+        MAVEN_PASSWORD: ${{ secrets.CENTRAL_PASSWORD }}
         MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index cefd105..5cfeb31 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -17,7 +17,7 @@ jobs:
       uses: actions/setup-java@v3
       with:
         java-version: '8'
-        distribution: 'adopt'
+        distribution: 'temurin'
 
     - name: Run unit tests
       run: |
diff --git a/Dockerfile b/Dockerfile
index 48fabcd..4f9b3f8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build stage
-FROM openjdk:8-jdk-bullseye@sha256:c25fa22ba2961758802ea63bc4622999a305086405d9d03b065925da00cb8bb6 as build_env
+FROM eclipse-temurin:8-jdk@sha256:3b1808f3745f1bbbb3611a4f774a0a8940af9de318f1d725e49e2ea8fbc176e6 as build_env
 
 ARG BUILD_VERSION
 ARG PACK_CMD=package
@@ -9,7 +9,7 @@ RUN useradd -m su-amaas
 # Dependencies
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
-	maven=3.6.3-5 \
+	maven \
 	&& apt-get clean \
 	&& rm -rf /var/lib/apt/lists/*
 
diff --git a/VERSION b/VERSION
index dc1e644..9c6d629 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.6.0
+1.6.1
diff --git a/pom.xml b/pom.xml
index 69bfa78..0571a5c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,11 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>com.trend</groupId>
   <artifactId>file-security-java-sdk</artifactId>
-  <version>1.6.0</version>
+  <version>1.6.1</version>
 
   <name>file-security-java-sdk</name>
   <url>https://github.com/trendmicro/tm-v1-fs-java-sdk</url>
@@ -33,8 +34,8 @@
 
   <distributionManagement>
     <repository>
-      <id>ossrh</id>
-      <url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+      <id>central</id>
+      <url>https://central.sonatype.com/api/v1/publisher/deployments/</url>
     </repository>
   </distributionManagement>
 
@@ -86,13 +87,16 @@
       <artifactId>grpc-netty</artifactId>
       <version>1.73.0</version>
       <exclusions>
-        <exclusion><groupId>io.netty</groupId><artifactId>*</artifactId></exclusion>
+        <exclusion>
+          <groupId>io.netty</groupId>
+          <artifactId>*</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.1.121.Final</version>
+      <version>4.2.6.Final</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
@@ -111,7 +115,7 @@
   </dependencies>
 
   <build>
-    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
+    <pluginManagement>      <!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
       <plugins>
         <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
         <plugin>
@@ -252,14 +256,14 @@
         </configuration>
       </plugin>
       <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.6.13</version>
+        <groupId>org.sonatype.central</groupId>
+        <artifactId>central-publishing-maven-plugin</artifactId>
+        <version>0.8.0</version>
         <extensions>true</extensions>
         <configuration>
-          <serverId>ossrh</serverId>
-          <nexusUrl>https://s01.oss.sonatype.org/</nexusUrl>
-          <autoReleaseAfterClose>true</autoReleaseAfterClose>
+          <publishingServerId>central</publishingServerId>
+          <tokenAuth>true</tokenAuth>
+          <autoPublish>true</autoPublish>
         </configuration>
       </plugin>
     </plugins>
diff --git a/src/main/java/com/trend/cloudone/amaas/AMaasClient.java b/src/main/java/com/trend/cloudone/amaas/AMaasClient.java
index 87fc8e2..5e763b4 100644
--- a/src/main/java/com/trend/cloudone/amaas/AMaasClient.java
+++ b/src/main/java/com/trend/cloudone/amaas/AMaasClient.java
@@ -190,6 +190,24 @@ private ManagedChannel buildChannelWithProxy(final String target, final ProxyCon
             builder.usePlaintext();
         }
 
+        final int keepAliveTimeSecs = 60;
+        final int keepAliveTimeoutSecs = 5;
+        final int connectTimeoutMs = 30000;
+
+        builder
+            .keepAliveTime(keepAliveTimeSecs, TimeUnit.SECONDS)
+            .keepAliveTimeout(keepAliveTimeoutSecs, TimeUnit.SECONDS)
+            .keepAliveWithoutCalls(true) // Keep connection alive even when idle
+            .withOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeoutMs);
+
+        log(
+            Level.FINE,
+            "Configured keep-alive: time={0}s, timeout={1}s, connectTimeout={2}ms",
+            keepAliveTimeSecs,
+            keepAliveTimeoutSecs,
+            connectTimeoutMs
+        );
+
         // Configure proxy if needed
         String proxyUrl = proxyConfig.getProxyUrl(target);
         if (proxyUrl != null) {
@@ -255,16 +273,6 @@ public NioSocketChannel newChannel() {
                 setProxyAuthenticator(proxyConfig);
             }
         }
-
-        // Set connection timeout for proxy connections
-        final int keepAliveTimeSecs = 30;
-        final int keepAliveTimeoutSecs = 10;
-        final int connectTimeoutMs = 30000; // 30 seconds
-
-        builder.keepAliveTime(keepAliveTimeSecs, TimeUnit.SECONDS);
-        builder.keepAliveTimeout(keepAliveTimeoutSecs, TimeUnit.SECONDS);
-        builder.keepAliveWithoutCalls(true);
-        builder.withOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeoutMs);
     }
 
     /**