build.gradle in embulk-output-redshift-0.8.0 vs build.gradle in embulk-output-redshift-0.8.1

@@ -2,9 +2,9 @@
     compile project(':embulk-output-jdbc')
     compile project(':embulk-output-postgresql')
 
     compile "com.amazonaws:aws-java-sdk-s3:1.10.77"
     compile "com.amazonaws:aws-java-sdk-sts:1.10.77"
-	compile 'org.embulk.input.s3:embulk-util-aws-credentials:0.2.8'
+    compile 'org.embulk.input.s3:embulk-util-aws-credentials:0.2.21'
 
     testCompile project(':embulk-output-jdbc').sourceSets.test.output
 }