diff --git a/integrated/build.gradle.kts b/integrated/build.gradle.kts
index 0c7ada2..9362b8b 100644
--- a/integrated/build.gradle.kts
+++ b/integrated/build.gradle.kts
@@ -9,8 +9,8 @@ dependencies {
     with(commonDependencies.vertx) { implementation(platformStackDepchain()) } // needed
 
     implementation(cpnProject(project, ":core"))
-
-    // for the examples
+    implementation(cpnProject(project, ":postgresql"))
+    implementation(cpnProject(project, ":sql-dsl"))
     implementation("com.huanshankeji:exposed-adt-mapping:${DependencyVersions.exposedAdtMapping}")
     implementation(cpnProject(project, ":sql-dsl-with-mapper"))
 }
diff --git a/postgresql/build.gradle.kts b/postgresql/build.gradle.kts
index f23dd0d..0321367 100644
--- a/postgresql/build.gradle.kts
+++ b/postgresql/build.gradle.kts
@@ -10,4 +10,6 @@ dependencies {
 
     runtimeOnly(commonDependencies.postgreSql())
     implementation(commonDependencies.vertx.moduleWithoutVersion("pg-client"))
+    implementation(commonDependencies.kotlinCommon.core()) // for `Untested`
+    implementation(commonDependencies.kotlinCommon.vertx()) // for `PgPoolOptions.setUpConventionally`
 }
diff --git a/core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/DatabaseClient.kt b/postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/DatabaseClient.kt
similarity index 100%
rename from core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/DatabaseClient.kt
rename to postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/DatabaseClient.kt
diff --git a/core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/exposed/ExposedDatabases.kt b/postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/exposed/ExposedDatabases.kt
similarity index 100%
rename from core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/exposed/ExposedDatabases.kt
rename to postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/exposed/ExposedDatabases.kt
diff --git a/core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/local/LocalConnectionConfig.kt b/postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/local/LocalConnectionConfig.kt
similarity index 100%
rename from core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/local/LocalConnectionConfig.kt
rename to postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/local/LocalConnectionConfig.kt
diff --git a/core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/vertx/pgclient/PgClients.kt b/postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/vertx/pgclient/PgClients.kt
similarity index 100%
rename from core/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/vertx/pgclient/PgClients.kt
rename to postgresql/src/main/kotlin/com/huanshankeji/exposedvertxsqlclient/postgresql/vertx/pgclient/PgClients.kt