diff --git a/buildSrc/src/main/kotlin/BuildConfig.kt b/buildSrc/src/main/kotlin/BuildConfig.kt
index ddde271099..e2190d5987 100644
--- a/buildSrc/src/main/kotlin/BuildConfig.kt
+++ b/buildSrc/src/main/kotlin/BuildConfig.kt
@@ -4,7 +4,7 @@ object BuildConfig {
     const val kotlinVersion = "1.5.30"
     const val appName = "Unciv"
     const val appCodeNumber = 654
-    const val appVersion = "3.18.8"
+    const val appVersion = "3.18.8-patch1"
 
     const val gdxVersion = "1.10.0"
     const val roboVMVersion = "2.3.1"
diff --git a/core/src/com/unciv/logic/GameInfo.kt b/core/src/com/unciv/logic/GameInfo.kt
index 5725b045f2..894f34311e 100644
--- a/core/src/com/unciv/logic/GameInfo.kt
+++ b/core/src/com/unciv/logic/GameInfo.kt
@@ -429,6 +429,10 @@ class GameInfo {
                 if (cityInfo.isPuppet && cityInfo.cityConstructions.constructionQueue.isEmpty())
                     cityInfo.cityConstructions.chooseNextConstruction()
 
+                // We also remove resources that the city may be demanding but are no longer in the ruleset
+                if (!ruleSet.tileResources.containsKey(cityInfo.demandedResource))
+                    cityInfo.demandedResource = ""
+
                 cityInfo.cityStats.update()
             }