diff --git a/changelog.md b/changelog.md
index 38845f87ce..8abf2eb413 100644
--- a/changelog.md
+++ b/changelog.md
@@ -6,7 +6,7 @@ Resolved #3639 - City states that can't be connected by land no longer assign ro
 
 Fix when Trade Gold = 0 it also shows in offer - By lishaoxia1985
 
-Translation upates
+Translation updates
 
 ## 3.13.4
 
diff --git a/core/src/com/unciv/logic/map/TileInfo.kt b/core/src/com/unciv/logic/map/TileInfo.kt
index 6b88680ddb..5e736b2cfc 100644
--- a/core/src/com/unciv/logic/map/TileInfo.kt
+++ b/core/src/com/unciv/logic/map/TileInfo.kt
@@ -305,6 +305,9 @@ open class TileInfo {
             improvement.uniqueTo != null && improvement.uniqueTo != civInfo.civName -> false
             improvement.techRequired != null && !civInfo.tech.isResearched(improvement.techRequired!!) -> false
             getOwner() != civInfo && !improvement.hasUnique("Can be built outside your borders") -> false
+            improvement.uniqueObjects.any {
+                it.placeholderText == "Obsolete with []" && civInfo.tech.isResearched(it.params[0])
+            } -> return false
             else -> canImprovementBeBuiltHere(improvement, hasViewableResource(civInfo))
         }
     }