diff --git a/buildSrc/src/main/kotlin/BuildConfig.kt b/buildSrc/src/main/kotlin/BuildConfig.kt
index ab77355e9d..24a32bbe34 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 = "1.5.30"
     const val appName = "Unciv"
-    const val appCodeNumber = 690
-    const val appVersion = "4.0.0"
+    const val appCodeNumber = 691
+    const val appVersion = "4.0.0-patch1"
 
     const val gdxVersion = "1.10.0"
     const val roboVMVersion = "2.3.1"