diff --git a/1.3/Defs/ThingDef/ThingDef_Shell.xml b/1.3/Defs/ThingDef/ThingDef_Shell.xml
index 0be3f9f..cbd03f3 100644
--- a/1.3/Defs/ThingDef/ThingDef_Shell.xml
+++ b/1.3/Defs/ThingDef/ThingDef_Shell.xml
@@ -100,7 +100,7 @@
       </li>
     </comps>
     <costList>
-      <Shell_HighExplosive>5</Shell_HighExplosive>
+      <Shell_HighExplosive>10</Shell_HighExplosive>
       <Chemfuel>20</Chemfuel>
     </costList>
   </ThingDef>
@@ -175,14 +175,14 @@
       </li>
     </comps>
     <costList>
-      <Uranium>10</Uranium>
+      <Uranium>15</Uranium>
       <Steel>25</Steel>
       <Chemfuel>30</Chemfuel>
     </costList>
     <costListForDifficulty>
       <difficultyVar>classicMortars</difficultyVar>
       <costList>
-        <Uranium>15</Uranium>
+        <Uranium>25</Uranium>
         <Steel>25</Steel>
         <Chemfuel>30</Chemfuel>
       </costList>
@@ -251,7 +251,7 @@
       </li>
     </comps>
     <costList>
-      <Shell_Incendiary>5</Shell_Incendiary>
+      <Shell_Incendiary>10</Shell_Incendiary>
       <Chemfuel>20</Chemfuel>
     </costList>
   </ThingDef>