diff --git a/changelog.txt b/changelog.txt
index 3c5f402..648cbfe 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,10 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.5.8
+Date: 2021-08-05
+  Changes:
+    - SE Vulcanite lead recipe balanced
+    - SE meteor defense recipes updated
+---------------------------------------------------------------------------------------------------
 Version: 0.5.7
 Date: 2021-07-26
   Changes:
diff --git a/data-util.lua b/data-util.lua
index 60edbfb..e6e7451 100644
--- a/data-util.lua
+++ b/data-util.lua
@@ -34,7 +34,7 @@ end
 
 -- Add a prerequisite to a given technology
 function util.add_prerequisite(technology_name, prerequisite)
-  technology = data.raw.technology[technology_name]
+  local technology = data.raw.technology[technology_name]
   if technology and data.raw.technology[prerequisite] then
     if technology.prerequisites then
       table.insert(technology.prerequisites, prerequisite)
@@ -46,7 +46,7 @@ end
 
 -- Remove a prerequisite from a given technology
 function util.remove_prerequisite(technology_name, prerequisite)
-  technology = data.raw.technology[technology_name]
+  local technology = data.raw.technology[technology_name]
   local index = -1
   if technology and data.raw.technology[prerequisite] then
     for i, prereq in pairs(technology.prerequisites) do
@@ -63,7 +63,7 @@ end
 
 -- Add an effect to a given technology
 function util.add_effect(technology_name, effect)
-  technology = data.raw.technology[technology_name]
+  local technology = data.raw.technology[technology_name]
   if technology then
     table.insert(technology.effects, effect)
   end
@@ -71,7 +71,7 @@ end
 
 -- Set technology ingredients
 function util.set_tech_recipe(technology_name, ingredients)
-  technology = data.raw.technology[technology_name]
+  local technology = data.raw.technology[technology_name]
   if technology then
     technology.unit.ingredients = ingredients
   end
@@ -363,7 +363,7 @@ end
 
 function add_to_ingredient(recipe, it, amount)
 	if recipe ~= nil and recipe.ingredients ~= nil then
-		for i, ingredient in pairs(recipe.ingredients) do 
+		for i, ingredient in pairs(recipe.ingredients) do
 			if ingredient.name == it then
         ingredient.amount = ingredient.amount + amount
         return
diff --git a/info.json b/info.json
index 07c96b5..0bc7adb 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzlead",
-    "version": "0.5.7",
+    "version": "0.5.8",
     "factorio_version": "1.1",
     "title": "Lead",
     "author": "Brevven",
diff --git a/lead-recipe-se.lua b/lead-recipe-se.lua
index e01768d..e5c6ffa 100644
--- a/lead-recipe-se.lua
+++ b/lead-recipe-se.lua
@@ -40,17 +40,19 @@ if mods["space-exploration"] then
       type = "recipe",
       name = "lead-smelting-vulcanite",
       category = "smelting",
+      subgroup = "plates",
       order = "d[lead-plate]",
-      energy_required = 48,
+      energy_required = 24,
       enabled = false,
       always_show_made_in = true,
       allow_as_intermediate = false,
       ingredients = {
-        {name = "lead-ore", amount = 20},
+        {name = "lead-ore", amount = 8},
         {name = "se-vulcanite-block", amount = 1},
       },
       results = {
-        {name = util.me.lead_plate, amount = 6},
+        {name = util.me.lead_plate, amount = 10},
+        {name = "copper-ore", amount=2},
       },
       icons =
       {
diff --git a/lead-recipe-updates.lua b/lead-recipe-updates.lua
index 0b1f1a6..4901973 100644
--- a/lead-recipe-updates.lua
+++ b/lead-recipe-updates.lua
@@ -44,7 +44,9 @@ util.add_ingredient("industrial-furnace", "lead-plate", 16) -- AAII
 
 util.add_ingredient("se-material-testing-pack", "lead-plate", 1)
 util.add_ingredient("se-space-radiation-laboratory", "lead-plate", 100)
-util.add_ingredient("se-delivery-cannon", "lead-plate", 20)
+util.add_ingredient("se-delivery-cannon", "lead-plate", 16)
+util.add_ingredient("se-meteor-point-defence", "lead-plate", 16)
+util.add_ingredient("se-meteor-defence", "lead-plate", 64)
 
 util.add_ingredient("se-experimental-alloys-data", "lead-plate", 1)
 util.add_to_product("se-experimental-alloys-data", "se-experimental-alloys-data", 1)