diff --git a/GradientLoadingBar/Feature/GradientActivityIndicatorView/GradientActivityIndicatorViewModel.swift b/GradientLoadingBar/Feature/GradientActivityIndicatorView/GradientActivityIndicatorViewModel.swift
index 50390d6..ddf095c 100644
--- a/GradientLoadingBar/Feature/GradientActivityIndicatorView/GradientActivityIndicatorViewModel.swift
+++ b/GradientLoadingBar/Feature/GradientActivityIndicatorView/GradientActivityIndicatorViewModel.swift
@@ -118,7 +118,7 @@ final class GradientActivityIndicatorViewModel {
 
 // MARK: - Helper
 
-extension Array where Element == UIColor {
+private extension Array where Element == UIColor {
 
     /// Creates an infinite gradient out of the given colors.
     ///