diff --git a/src/main/java/de/devloop/mavor/servlet/Download.java b/src/main/java/de/devloop/mavor/servlet/Download.java
index 528cd4f..b6368e2 100644
--- a/src/main/java/de/devloop/mavor/servlet/Download.java
+++ b/src/main/java/de/devloop/mavor/servlet/Download.java
@@ -10,6 +10,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
+import java.util.UUID;
 import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
@@ -104,7 +105,7 @@ public class Download extends AuthenticatedServlet {
 
     private String zipDependencies() throws IOException {
         File tempDir = new File(TEMP_DIR);
-        File zipFile = File.createTempFile("mavor_", ".zip", tempDir);
+        File zipFile = new File(tempDir, "mavor_" + UUID.randomUUID() + ".zip");
         ZipOutputStream zipStream = new ZipOutputStream(new FileOutputStream(zipFile));
         // TODO: this goes BOOM on parallel use
         File[] jarFiles = tempDir.listFiles(new FilenameFilter() {