diff --git a/buildSrc/src/main/kotlin/BuildConfig.kt b/buildSrc/src/main/kotlin/BuildConfig.kt
index 823a7e0b4f..4dddd2ed12 100644
--- a/buildSrc/src/main/kotlin/BuildConfig.kt
+++ b/buildSrc/src/main/kotlin/BuildConfig.kt
@@ -3,8 +3,8 @@ package com.unciv.build
 object BuildConfig {
     const val kotlinVersion = "1.4.30"
     const val appName = "Unciv"
-    const val appCodeNumber = 538
-    const val appVersion = "3.13.5"
+    const val appCodeNumber = 539
+    const val appVersion = "3.13.5-patch1"
 
     const val gdxVersion = "1.9.14"
     const val roboVMVersion = "2.3.1"