diff --git a/src/main/java/net/gepafin/tendermanagement/dao/PdfDao.java b/src/main/java/net/gepafin/tendermanagement/dao/PdfDao.java
index 01c829ae..550bd240 100644
--- a/src/main/java/net/gepafin/tendermanagement/dao/PdfDao.java
+++ b/src/main/java/net/gepafin/tendermanagement/dao/PdfDao.java
@@ -31,6 +31,7 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.*;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Component
 public class PdfDao {