diff --git a/AltStore/Sources/SourceDetailContentViewController.swift b/AltStore/Sources/SourceDetailContentViewController.swift
index 2bce3b21..2e31f845 100644
--- a/AltStore/Sources/SourceDetailContentViewController.swift
+++ b/AltStore/Sources/SourceDetailContentViewController.swift
@@ -96,11 +96,13 @@ private extension SourceDetailContentViewController
             case .news:
                 guard !source.newsItems.isEmpty else { return nil }
                 
-                let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: .estimated(50)) // Underestimate height to prevent jumping size abruptly.
+                // Underestimate height to prevent jumping size abruptly.
+                let heightDimension: NSCollectionLayoutDimension = if #available(iOS 17, *) { .uniformAcrossSiblings(estimate: 50) } else { .estimated(50) }
+                let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: heightDimension)
                 let item = NSCollectionLayoutItem(layoutSize: itemSize)
                 
                 let groupWidth = layoutEnvironment.container.contentSize.width - sectionInset * 2
-                let groupSize = NSCollectionLayoutSize(widthDimension: .absolute(groupWidth), heightDimension: .estimated(50))
+                let groupSize = NSCollectionLayoutSize(widthDimension: .absolute(groupWidth), heightDimension: heightDimension)
                 let group = NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitems: [item])
                 
                 let buttonSize = NSCollectionLayoutSize(widthDimension: .estimated(60), heightDimension: .estimated(20))