diff --git a/pom.xml b/pom.xml
index c0a10ba..80a76be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,8 +37,8 @@
         <hive.version>2.3.8</hive.version>
         <hadoop.version>2.10.1</hadoop.version>
 
-        <gt-main.version>30.1</gt-main.version>
-        <gt-epsg-hsql.version>30.2</gt-epsg-hsql.version>
+        <gt-main.version>28.5</gt-main.version>
+        <gt-epsg-hsql.version>28.5</gt-epsg-hsql.version>
         <gson.version>2.10.1</gson.version>
         <guava.version>33.0.0-jre</guava.version>
         <jackson.version>2.16.1</jackson.version>
diff --git a/src/main/java/tech/leovan/hive/udf/geo/PolygonAreaUDF.java b/src/main/java/tech/leovan/hive/udf/geo/PolygonAreaUDF.java
index 8caf0be..e58c93d 100644
--- a/src/main/java/tech/leovan/hive/udf/geo/PolygonAreaUDF.java
+++ b/src/main/java/tech/leovan/hive/udf/geo/PolygonAreaUDF.java
@@ -1,9 +1,8 @@
 package tech.leovan.hive.udf.geo;
 
+import tech.leovan.hive.udf.utils.GeoUtils;
 import org.apache.hadoop.hive.ql.exec.Description;
 import org.apache.hadoop.hive.ql.exec.UDF;
-import org.geotools.api.referencing.crs.CoordinateReferenceSystem;
-import org.geotools.api.referencing.operation.MathTransform;
 import org.geotools.geometry.jts.JTS;
 import org.geotools.referencing.CRS;
 import org.locationtech.jts.geom.Geometry;
@@ -11,7 +10,8 @@
 import org.locationtech.jts.geom.Polygon;
 import org.locationtech.spatial4j.context.jts.JtsSpatialContext;
 import org.locationtech.spatial4j.shape.Shape;
-import tech.leovan.hive.udf.utils.GeoUtils;
+import org.opengis.referencing.crs.CoordinateReferenceSystem;
+import org.opengis.referencing.operation.MathTransform;
 
 @Description(
         name = "POLYGON_AREA",