diff --git a/build.sbt b/build.sbt
index 6b10803..41ddb0e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,20 +4,27 @@ name := "obo-parser"
 scalaVersion := "2.12.12"
 organization := "bio.ferlab"
 javacOptions ++= Seq("-source", "1.8", "-target", "1.8", "-Xlint")
-val spark_version = "3.4.2"
+val sparkVersion = "3.5.1"
 val deltaCoreVersion = "2.4.0"
+val datalakeSpark3Version = "14.0.0"
 /* Runtime */
-libraryDependencies += "org.apache.spark" %% "spark-sql" % spark_version % Provided
-libraryDependencies += "org.apache.spark" %% "spark-hive" % spark_version % Provided
-libraryDependencies += "org.apache.hadoop" % "hadoop-aws" % "3.3.6" % Provided
-libraryDependencies += "org.apache.hadoop" % "hadoop-common" % "3.3.6" % Provided
-libraryDependencies += "io.delta" %% "delta-core" % deltaCoreVersion % Provided
-libraryDependencies += "io.delta" %% "delta-spark" % "3.1.0" % Provided
+//libraryDependencies += "org.apache.spark" %% "spark-sql" % spark_version //% Provided
+//libraryDependencies += "org.apache.hadoop" % "hadoop-aws" % "3.3.6" //% Provided
+//libraryDependencies += "org.apache.hadoop" % "hadoop-common" % "3.3.6" //% Provided
+//libraryDependencies += "io.delta" %% "delta-spark" % "3.1.0" //% Provided
+
+
+libraryDependencies+= "bio.ferlab" %% "datalake-spark3" % "14.0.4"
+libraryDependencies+= "org.apache.spark" %% "spark-sql" % sparkVersion % Provided
+libraryDependencies+= "org.apache.spark" %% "spark-hive" % sparkVersion % Provided
+libraryDependencies+= "org.apache.hadoop" % "hadoop-aws" % "3.3.4" % Provided
+libraryDependencies+= "io.delta" %% "delta-spark" % "3.1.0" % Provided
+
 libraryDependencies += "com.github.pureconfig" %% "pureconfig" % "0.15.0"
 libraryDependencies += "org.apache.poi" % "poi-ooxml" % "5.0.0"
 /* Test */
 libraryDependencies += "org.scalatest" %% "scalatest" % "3.1.0" % "test"
-libraryDependencies += "org.apache.spark" %% "spark-hive" % spark_version % "test"
+libraryDependencies += "org.apache.spark" %% "spark-hive" % sparkVersion % "test"
 assembly / test := {}
 
 assembly / assemblyShadeRules := Seq(
diff --git a/src/main/scala/bio/ferlab/HPOMain.scala b/src/main/scala/bio/ferlab/HPOMain.scala
index d2b8ed3..872e8a1 100644
--- a/src/main/scala/bio/ferlab/HPOMain.scala
+++ b/src/main/scala/bio/ferlab/HPOMain.scala
@@ -3,10 +3,7 @@ package bio.ferlab
 import bio.ferlab.config.Config
 import bio.ferlab.ontology.{ICDTerm, OntologyTerm}
 import bio.ferlab.transform.{DownloadTransformer, WriteJson, WriteParquet}
-import org.apache.spark.SparkConf
-import org.apache.spark.sql.internal.SQLConf.LegacyBehaviorPolicy.CORRECTED
 import org.apache.spark.sql.{SaveMode, SparkSession}
-import pureconfig.ConfigReader.Result
 import pureconfig._
 import pureconfig.generic.auto._