1 files changed, 2 insertions, 1 deletions
diff --git a/src/main/java/design/persistence/LeagueDatabase.java b/src/main/java/design/persistence/LeagueDatabase.java
index 953624d..9f835ff 100644
--- a/src/main/java/design/persistence/LeagueDatabase.java
+++ b/src/main/java/design/persistence/LeagueDatabase.java
@@ -1,10 +1,11 @@
 package design.persistence;
 
 import design.model.League;
+import design.persistence.importexport.DataSource;
 
 import java.io.IOException;
 
-public interface LeagueDatabase {
+public interface LeagueDatabase extends DataSource {
     static LeagueDatabase instance() {
         return JSONLeagueDatabase.instance();
     }