diff --git a/share/default/config/tracker.private.e2e.container.sqlite3.toml b/share/default/config/tracker.private.e2e.container.sqlite3.toml
index 568a7de..59fc71f 100644
--- a/share/default/config/tracker.private.e2e.container.sqlite3.toml
+++ b/share/default/config/tracker.private.e2e.container.sqlite3.toml
@@ -1,5 +1,7 @@
+version = "2"
+
 [core]
-mode = "private"
+private = true
 
 [core.database]
 path = "/var/lib/torrust/tracker/database/e2e_testing_sqlite3.db"
diff --git a/share/default/config/tracker.public.e2e.container.sqlite3.toml b/share/default/config/tracker.public.e2e.container.sqlite3.toml
index 71a05ef..c831062 100644
--- a/share/default/config/tracker.public.e2e.container.sqlite3.toml
+++ b/share/default/config/tracker.public.e2e.container.sqlite3.toml
@@ -1,6 +1,7 @@
+version = "2"
+
 [core.database]
 path = "/var/lib/torrust/tracker/database/e2e_testing_sqlite3.db"
 
 [http_api]
 bind_address = "0.0.0.0:1212"
-