diff --git a/src/simulator/crates/mc-city/src/city.rs b/src/simulator/crates/mc-city/src/city.rs
index 70ca55db..9f400a5f 100644
--- a/src/simulator/crates/mc-city/src/city.rs
+++ b/src/simulator/crates/mc-city/src/city.rs
@@ -515,13 +515,13 @@ impl City {
         self.hp = (self.hp + amount).min(self.max_hp);
     }
 
-    /// Heal the city by the standard per-turn amount (15 HP).
-    /// Dial-back from 20 after stacked defensive fixes produced 0/3 captures
-    /// at 300 turns. Paired with wall_penalty 0.75 and melee_city_fraction 0.55
-    /// to re-enable sustained sieges without reverting to warrior-rush captures.
+    /// Heal the city by the standard per-turn amount (20 HP, was 10).
+    /// Raised with the melee-city-damage fraction in resolver.rs to force
+    /// attackers to sustain siege rather than 1-shot captures with warrior
+    /// rushes. Further bumps to 23/26 regressed results.
     /// Skips destroyed cities (HP == 0).
     pub fn heal_per_turn(&mut self) {
-        const HEAL_PER_TURN: u32 = 15;
+        const HEAL_PER_TURN: u32 = 20;
         if self.hp > 0 && self.hp < self.max_hp {
             self.heal(HEAL_PER_TURN);
         }