build.gradle in embulk-input-postgresql-0.8.4 vs build.gradle in embulk-input-postgresql-0.8.5

@@ -1,7 +1,8 @@
 dependencies {
     compile project(':embulk-input-jdbc')
 
     compile 'org.postgresql:postgresql:9.4-1205-jdbc41'
+    defaultJdbcDriver 'org.postgresql:postgresql:9.4-1205-jdbc41'
 
     testCompile 'org.embulk:embulk-standards:0.8.15'
 }