diff --git a/backend/internal/service/setting_service.go b/backend/internal/service/setting_service.go
index e8a29e02..3e47d9d4 100644
--- a/backend/internal/service/setting_service.go
+++ b/backend/internal/service/setting_service.go
@@ -112,7 +112,7 @@ func (s *SettingService) SetVersion(version string) {
 
 // GetPublicSettingsForInjection returns public settings in a format suitable for HTML injection
 // This implements the web.PublicSettingsProvider interface
-func (s *SettingService) GetPublicSettingsForInjection(ctx context.Context) (interface{}, error) {
+func (s *SettingService) GetPublicSettingsForInjection(ctx context.Context) (any, error) {
 	settings, err := s.GetPublicSettings(ctx)
 	if err != nil {
 		return nil, err
diff --git a/backend/internal/web/embed_off.go b/backend/internal/web/embed_off.go
index 2a6f558c..346c31e9 100644
--- a/backend/internal/web/embed_off.go
+++ b/backend/internal/web/embed_off.go
@@ -14,7 +14,7 @@ import (
 // PublicSettingsProvider is an interface to fetch public settings
 // This stub is needed for compilation when frontend is not embedded
 type PublicSettingsProvider interface {
-	GetPublicSettingsForInjection(ctx context.Context) (interface{}, error)
+	GetPublicSettingsForInjection(ctx context.Context) (any, error)
 }
 
 // FrontendServer is a stub for non-embed builds
diff --git a/backend/internal/web/embed_on.go b/backend/internal/web/embed_on.go
index e05bcfda..35697fbb 100644
--- a/backend/internal/web/embed_on.go
+++ b/backend/internal/web/embed_on.go
@@ -21,7 +21,7 @@ var frontendFS embed.FS
 
 // PublicSettingsProvider is an interface to fetch public settings
 type PublicSettingsProvider interface {
-	GetPublicSettingsForInjection(ctx context.Context) (interface{}, error)
+	GetPublicSettingsForInjection(ctx context.Context) (any, error)
 }
 
 // FrontendServer serves the embedded frontend with settings injection