diff --git a/Source/Library/LayoutConfigurable.swift b/Source/Library/LayoutConfigurable.swift
index 2b54fd7..c68c42a 100644
--- a/Source/Library/LayoutConfigurable.swift
+++ b/Source/Library/LayoutConfigurable.swift
@@ -1,4 +1,4 @@
-protocol LayoutConfigurable: class {
+protocol LayoutConfigurable: AnyObject {
 
   func configureLayout()
 }
diff --git a/Source/Views/FooterView.swift b/Source/Views/FooterView.swift
index e948c38..85da02d 100644
--- a/Source/Views/FooterView.swift
+++ b/Source/Views/FooterView.swift
@@ -1,6 +1,6 @@
 import UIKit
 
-public protocol FooterViewDelegate: class {
+public protocol FooterViewDelegate: AnyObject {
 
   func footerView(_ footerView: FooterView, didExpand expanded: Bool)
 }
diff --git a/Source/Views/HeaderView.swift b/Source/Views/HeaderView.swift
index d51a64d..dfdc3ae 100644
--- a/Source/Views/HeaderView.swift
+++ b/Source/Views/HeaderView.swift
@@ -1,6 +1,6 @@
 import UIKit
 
-protocol HeaderViewDelegate: class {
+protocol HeaderViewDelegate: AnyObject {
   func headerView(_ headerView: HeaderView, didPressDeleteButton deleteButton: UIButton)
   func headerView(_ headerView: HeaderView, didPressCloseButton closeButton: UIButton)
 }
diff --git a/Source/Views/InfoLabel.swift b/Source/Views/InfoLabel.swift
index 5301f0d..db29ccb 100644
--- a/Source/Views/InfoLabel.swift
+++ b/Source/Views/InfoLabel.swift
@@ -1,6 +1,6 @@
 import UIKit
 
-public protocol InfoLabelDelegate: class {
+public protocol InfoLabelDelegate: AnyObject {
 
   func infoLabel(_ infoLabel: InfoLabel, didExpand expanded: Bool)
 }