diff --git a/ClaudeChecker/Info.plist b/ClaudeChecker/Info.plist
index 211a7c7..c03a7f5 100644
--- a/ClaudeChecker/Info.plist
+++ b/ClaudeChecker/Info.plist
@@ -15,7 +15,7 @@
     <key>CFBundlePackageType</key>
     <string>APPL</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.1.2-beta.3</string>
+    <string>1.1.2-beta.4</string>
     <key>CFBundleVersion</key>
     <string>35</string>
     <key>LSMinimumSystemVersion</key>
diff --git a/ClaudeChecker/UpdateManager.swift b/ClaudeChecker/UpdateManager.swift
index 2b8ab15..c2fd7c7 100644
--- a/ClaudeChecker/UpdateManager.swift
+++ b/ClaudeChecker/UpdateManager.swift
@@ -319,6 +319,7 @@ class UpdateManager: ObservableObject {
 
     private func isNewer(_ version: String, than current: String) -> Bool {
         func parse(_ v: String) -> (base: [Int], pre: [Int]?) {
+            guard !v.isEmpty else { return ([], nil) }
             let halves = v.split(separator: "-", maxSplits: 1)
             let base = halves[0].split(separator: ".").compactMap { Int($0) }
             let pre = halves.count > 1 ? String(halves[1]).split(separator: ".").compactMap { Int($0) } : nil