diff --git a/build.gradle b/build.gradle
index 24b26a4..fd97eb3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,28 @@
-plugins {
-    id 'com.github.jruby-gradle.base' version '2.0.0'
-    id 'checkstyle'
-    id 'java'
+buildscript {
+    repositories {
+        mavenCentral()
+        maven {
+            url "https://plugins.gradle.org/m2/"
+        }
+    }
+    dependencies {
+        classpath "com.github.jruby-gradle:jruby-gradle-plugin:2.0.0"
+    }
+    configurations.classpath {
+        resolutionStrategy {
+            // Avoid build error with version conflicts
+            force 'org.ysb33r.gradle:grolifant:0.12.1'
+            dependencySubstitution {
+                substitute module('com.burgstaller:okhttp-digest') with module('io.github.rburgst:okhttp-digest:3.1.1')
+            }
+        }
+    }
 }
+
+apply plugin: 'com.github.jruby-gradle.base'
+apply plugin: 'java'
+apply plugin: 'checkstyle'
+
 import com.github.jrubygradle.JRubyExec
 
 group 'com.github.ttksm'
@@ -21,13 +41,13 @@ configurations {
 }
 
 dependencies {
-    compile 'org.embulk:embulk-core:0.9.23'
-    provided 'org.embulk:embulk-core:0.9.23'
-    compile 'software.amazon.awssdk:s3:2.+'
+    compile 'org.embulk:embulk-core:0.11.5'
+    provided 'org.embulk:embulk-core:0.11.5'
+    compile 'software.amazon.awssdk:s3:2.17.282'
     testCompile 'org.junit.jupiter:junit-jupiter:5.+'
     testCompile 'org.mockito:mockito-core:3.+'
     testCompile 'org.mockito:mockito-junit-jupiter:3.+'
-    testCompile 'org.embulk:embulk-core:0.9.23:tests'
+    testCompile 'org.embulk:embulk-core:0.11.5'
     compile 'software.amazon.awssdk:bom:2.17.282'
     compile 'software.amazon.awssdk:sso:2.17.282'
 }
diff --git a/src/main/java/org/embulk/output/s3v2/PluginTask.java b/src/main/java/org/embulk/output/s3v2/PluginTask.java
index 1cf561c..8229b93 100644
--- a/src/main/java/org/embulk/output/s3v2/PluginTask.java
+++ b/src/main/java/org/embulk/output/s3v2/PluginTask.java
@@ -4,9 +4,15 @@
 import org.embulk.config.ConfigDefault;
 import org.embulk.config.Task;
 
+import java.util.Optional;
+
 public interface PluginTask
         extends Task
 {
+    @Config("endpoint")
+    @ConfigDefault("null")
+    public Optional<String> getEndpoint();
+
     @Config("region")
     public String getRegion();
 
diff --git a/src/main/java/org/embulk/output/s3v2/s3/S3ClientManager.java b/src/main/java/org/embulk/output/s3v2/s3/S3ClientManager.java
index 8ab2792..e1c93ea 100644
--- a/src/main/java/org/embulk/output/s3v2/s3/S3ClientManager.java
+++ b/src/main/java/org/embulk/output/s3v2/s3/S3ClientManager.java
@@ -12,6 +12,7 @@
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.Optional;
 
 import org.embulk.output.s3v2.util.ChunksizeComputation;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
@@ -39,7 +40,7 @@ public class S3ClientManager
 {
     private final S3Client s3;
 
-    public S3ClientManager(String regionName, boolean enableProfile, String profileName)
+    public S3ClientManager(Optional<String> endpoint, String regionName, boolean enableProfile, String profileName)
     {
         S3ClientBuilder builder = S3Client.builder();
 
@@ -58,6 +59,13 @@ public S3ClientManager(String regionName, boolean enableProfile, String profileN
         }
         builder = builder.credentialsProvider(provider);
 
+        if (endpoint.isPresent()) {
+            String ep = endpoint.get();
+            if (!ep.isEmpty()) {
+                builder = builder.endpointOverride(java.net.URI.create(ep));
+            }
+        }
+
         s3 = builder.build();
     }
 
diff --git a/src/main/java/org/embulk/output/s3v2/strategy/AbstractStrategy.java b/src/main/java/org/embulk/output/s3v2/strategy/AbstractStrategy.java
index c66f05b..fadae0d 100644
--- a/src/main/java/org/embulk/output/s3v2/strategy/AbstractStrategy.java
+++ b/src/main/java/org/embulk/output/s3v2/strategy/AbstractStrategy.java
@@ -13,7 +13,7 @@ abstract class AbstractStrategy implements TransactionalFileOutput
 
     public AbstractStrategy(PluginTask task, int taskIndex)
     {
-        s3 = new S3ClientManager(task.getRegion(), task.getEnableProfile(), task.getProfile());
+        s3 = new S3ClientManager(task.getEndpoint(), task.getRegion(), task.getEnableProfile(), task.getProfile());
         this.task = task;
         this.taskIndex = taskIndex;