diff --git a/DD.Persistence.App/appsettings.Tests.json b/DD.Persistence.App/appsettings.Tests.json
index 5d17ab1..5bd5c2e 100644
--- a/DD.Persistence.App/appsettings.Tests.json
+++ b/DD.Persistence.App/appsettings.Tests.json
@@ -1,6 +1,6 @@
 {
   "DbConnection": {
-    "Host": "localhost",
+    "Host": "postgres",
     "Port": 5442,
     "Username": "postgres",
     "Password": "postgres"