diff --git a/dkpro-lab-core/src/main/java/org/dkpro/lab/Util.java b/dkpro-lab-core/src/main/java/org/dkpro/lab/Util.java
index c9849b0..5b14a17 100644
--- a/dkpro-lab-core/src/main/java/org/dkpro/lab/Util.java
+++ b/dkpro-lab-core/src/main/java/org/dkpro/lab/Util.java
@@ -28,6 +28,7 @@
 import java.lang.reflect.InvocationTargetException;
 import java.net.URISyntaxException;
 import java.net.URL;
+import java.nio.file.Files;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.zip.GZIPInputStream;
@@ -97,7 +98,7 @@ public static synchronized File getUrlAsFile(URL aUrl, boolean aCache)
 
 			// Get a temporary file which will be deleted when the JVM shuts
 			// down.
-			file = File.createTempFile(name, suffix);
+			file = Files.createTempFile(name, suffix).toFile();
 			file.deleteOnExit();
 
 			// Now copy the file from the URL to the file.
@@ -130,7 +131,7 @@ public static File getStreamAsFile(final InputStream is)
 	{
 		OutputStream os = null;
 		try {
-			final File f = File.createTempFile("lab_stream", "tmp");
+			final File f = Files.createTempFile("lab_stream", "tmp").toFile();
 			f.deleteOnExit();
 			os = new FileOutputStream(f);
 			shove(is, os);
diff --git a/dkpro-lab-core/src/test/java/org/dkpro/lab/reporting/ChartUtilTest.java b/dkpro-lab-core/src/test/java/org/dkpro/lab/reporting/ChartUtilTest.java
index d9a8f2e..6c0401a 100644
--- a/dkpro-lab-core/src/test/java/org/dkpro/lab/reporting/ChartUtilTest.java
+++ b/dkpro-lab-core/src/test/java/org/dkpro/lab/reporting/ChartUtilTest.java
@@ -20,6 +20,7 @@
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 
 import org.jfree.chart.ChartFactory;
 import org.jfree.chart.JFreeChart;
@@ -50,7 +51,7 @@ public void testSvg()
         chart.getXYPlot().getRangeAxis().setRange(0.0, 1.0);
         chart.getXYPlot().getDomainAxis().setRange(0.0, 1.0);
 
-        File tmp = File.createTempFile("testfile", ".svg");
+        File tmp = Files.createTempFile("testfile", ".svg").toFile();
         try (OutputStream os = new FileOutputStream(tmp)) {
             ChartUtil.writeChartAsSVG(os, chart, 400, 400);
         }
@@ -81,7 +82,7 @@ public void testPDF()
         chart.getXYPlot().getRangeAxis().setRange(0.0, 1.0);
         chart.getXYPlot().getDomainAxis().setRange(0.0, 1.0);
 
-        File tmp = File.createTempFile("testfile", ".pdf");
+        File tmp = Files.createTempFile("testfile", ".pdf").toFile();
         try (OutputStream os = new FileOutputStream(tmp)) {
             ChartUtil.writeChartAsPDF(os, chart, 400, 400);
         }