diff --git a/MVMCoreUI/Templates/MoleculeStackTemplate.swift b/MVMCoreUI/Templates/MoleculeStackTemplate.swift
index 064c910c..d6f78b05 100644
--- a/MVMCoreUI/Templates/MoleculeStackTemplate.swift
+++ b/MVMCoreUI/Templates/MoleculeStackTemplate.swift
@@ -8,7 +8,7 @@
 
 import UIKit
 
-public class MoleculeStackTemplate: ThreeLayerViewController {
+open class MoleculeStackTemplate: ThreeLayerViewController {
     var observer: NSKeyValueObservation?
     
     open override var loadObject: MVMCoreLoadObject? {
@@ -25,18 +25,18 @@ public class MoleculeStackTemplate: ThreeLayerViewController {
         }
     }
     
-    public override func spaceBetweenTopAndMiddle() -> CGFloat? {
+    open override func spaceBetweenTopAndMiddle() -> CGFloat? {
         return 0
     }
     
-    public override func viewForTop() -> UIView? {
+    open override func viewForTop() -> UIView? {
         guard let moleculeJSON = loadObject?.pageJSON?.optionalDictionaryForKey("header"), let molecule = MVMCoreUIMoleculeMappingObject.shared()?.createMolecule(forJSON: moleculeJSON, delegateObject: delegateObject() as? MVMCoreUIDelegateObject, constrainIfNeeded: true) else {
             return nil
         }
         return molecule
     }
     
-    public override func viewForMiddle() -> UIView? {
+    open override func viewForMiddle() -> UIView? {
         guard let moleculeJSON = loadObject?.pageJSON?.optionalDictionaryForKey("moleculeStack") else {
             return nil
         }
@@ -46,7 +46,7 @@ public class MoleculeStackTemplate: ThreeLayerViewController {
         return stack
     }
     
-    override public func viewForBottom() -> UIView? {
+    override open func viewForBottom() -> UIView? {
         guard let moleculeJSON = loadObject?.pageJSON?.optionalDictionaryForKey("footer"), let molecule = MVMCoreUIMoleculeMappingObject.shared()?.createMolecule(forJSON: moleculeJSON, delegateObject: delegateObject() as? MVMCoreUIDelegateObject, constrainIfNeeded: true) else {
             return nil
         }
@@ -54,14 +54,14 @@ public class MoleculeStackTemplate: ThreeLayerViewController {
     }
     
     // MARK: - cache handling
-    public override func pageTypesToListenFor() -> [Any]? {
+    open override func pageTypesToListenFor() -> [Any]? {
         guard let pageType = self.pageType else {
             return super.pageTypesToListenFor()
         }
         return [pageType]
     }
     
-    public override func modulesToListenFor() -> [Any]? {
+    open override func modulesToListenFor() -> [Any]? {
         return loadObject?.requestParameters?.modules
     }