diff --git a/internal/config/config.go b/internal/config/config.go
index 56c7cb1..9859054 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -85,7 +85,7 @@ type (
 	}
 
 	KeyValue struct {
-		Engine KeyValueEngine `yaml:"engine" required:"true" validate:"oneof=redis in_memory" example:"redis / in_memory" default:"in_memory"`
+		Engine KeyValueEngine `yaml:"engine" required:"true" validate:"oneof=redis in_memory" example:"redis / in_memory" default:"redis"`
 	}
 
 	Transactions struct {
diff --git a/internal/delivery/http/handlers/system.go b/internal/delivery/http/handlers/system.go
index 7a1e35d..3071dc9 100644
--- a/internal/delivery/http/handlers/system.go
+++ b/internal/delivery/http/handlers/system.go
@@ -87,13 +87,16 @@ func (h Handler) updateBackend(c fiber.Ctx) error {
 //	@Router			/v1/dv-admin/system/version [get]
 //	@Security		BearerAuth
 func (h *Handler) loadNewVersions(c fiber.Ctx) error {
+	h.logger.Info("UPDATER DEBUG: Start checking new versions")
 	versions, err := h.services.UpdaterService.CheckApplicationVersions(c.Context())
 	if err != nil {
+		h.logger.Info("UPDATER DEBUG: Checking new version completed without error")
 		return c.JSON(response.OkByData(&system_response.VersionResponse{
 			NewBackendVersion:    nil,
 			NewProcessingVersion: nil,
 		}))
 	}
+	h.logger.Error("UPDATER DEBUG: Checking new version completed without error", err)
 
 	return c.JSON(response.OkByData(&system_response.VersionResponse{
 		NewBackendVersion:    versions.BackendVersion,