diff --git a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
index 49f7303a..26441dec 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
@@ -1,10 +1,21 @@
 package one.nem.lacerta.data.impl;
 
+import javax.inject.Inject;
+
 import one.nem.lacerta.data.LacertaLibrary;
 import one.nem.lacerta.model.LibraryItemPage;
 import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.source.database.LacertaDatabase;
+import one.nem.lacerta.utils.LacertaLogger;
 
 public class LacertaLibraryImpl implements LacertaLibrary {
+
+    @Inject
+    LacertaLogger logger;
+
+    @Inject
+    LacertaDatabase database;
+
     @Override
     public LibraryItemPage getRecentDocument(int limit) {
         return null;