diff --git a/changelog.txt b/changelog.txt
index 27eec30..56c6f9d 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,6 +3,7 @@ Version: 1.0.29
 Date: 08.06.2022
   Features:
     - added option for legacy icons on rare metals
+    - added miner modules
 
   Changes:
     - made roboports and bots more tanky
diff --git a/locale/en/lang_en.cfg b/locale/en/lang_en.cfg
index 443596a..3cd9c40 100644
--- a/locale/en/lang_en.cfg
+++ b/locale/en/lang_en.cfg
@@ -184,6 +184,11 @@ el_grenade=Charged grenade
 fi_grenade=Overcharged grenade
 fu_grenade=Hypercharged grenade
 
+fi_materials_upgrade=Basic upgrade
+fu_materials_upgrade=Advanced upgrade
+gr_materials_upgrade=Ultimate upgrade
+
+
 #overhaul
 uranium-fuel-cell-updated=Uranium fuel cell (old)
 
@@ -294,6 +299,9 @@ fu_materials_energy_charged_crystal=A charged energy crystal. Can be used in the
 el_charger_item=Can be used to charge items like [color=purple]energy crystals[/color] with energy or seperate water[fluid=water] using various catalysts.
 
 fu_miner_item=Can mine stone[item=stone] from anywhere on the map. Needs a constant supply of drills[item=fu_miner_fuel_item] to work.
+fu_miner_item_2=Can mine stone[item=stone] from anywhere on the map. Needs a constant supply of drills[item=fu_miner_fuel_item] to work. Upgraded version of [item=fu_miner_item].
+fu_miner_item_3=Can mine stone[item=stone] from anywhere on the map. Needs a constant supply of drills[item=fu_miner_fuel_item] to work. Upgraded version of [item=fu_miner_item_2].
+fu_miner_item_4=Can mine stone[item=stone] from anywhere on the map. Needs a constant supply of drills[item=fu_miner_fuel_item] to work. Upgraded version of [item=fu_miner_item_3].
 el_burner_kerosene_item=A compact burner generator, that uses desulfurized kerosene[fluid=el_desulfurized_kerosene].
 el_arc_furnace_item=A furnace that can heat metals into thier molten form.
 el_caster_item=Casts molten metals into plates or ingots.
@@ -351,6 +359,10 @@ fu_ingot_tech=Build a ingot factory to smelt your ore and make ingots from 248ks
 
 gr_stage_tech=Using exotic matter you will be able to exceed limits of known technology. Even Fusion will be nothing compared to those infinite possibilities.
 
+fi_upgrade_tech=Upgrade machines using this technology.
+fu_upgrade_tech=Upgrade machines using this technology.
+gr_upgrade_tech=Upgrade machines using this technology.
+
 #buildable entities
 [entity-name]
 el_solar_entity=Solar panel 2.0
@@ -418,6 +430,9 @@ fu_laser_entity=Laser facility
 fu_plasma_entity=Plasma facility
 fu_magnet_entity=Magnetising facility
 fu_miner_entity=Stone quarry
+fu_miner_entity_2=Stone quarry 2
+fu_miner_entity_3=Stone quarry 3
+fu_miner_entity_4=Stone quarry 4
 
 gr_crafter_entity=Fusion assembling machine
 gr_magnet_train_pre_entity=EM suspension train 1
@@ -597,6 +612,10 @@ fu_titan_ingot_tech=Titan ingot refining
 fu_gold_ingot_tech=Gold ingot refining
 fu_neodym_ingot_tech=Neodymium ingot refining
 
+fi_upgrade_tech=Advanced upgrade
+fu_upgrade_tech=Very advanced upgrade
+gr_upgrade_tech=Extremely advanced upgrade
+
 #effects
 [description]
 x2_ki_tech_eff=Double the module effects of all your KI cores! (Only works on KI3 beacon)
diff --git a/prototypes/248k_subgroups.lua b/prototypes/248k_subgroups.lua
index f28cfdc..8d7ef23 100644
--- a/prototypes/248k_subgroups.lua
+++ b/prototypes/248k_subgroups.lua
@@ -337,6 +337,10 @@ data:extend({
         name = '248k_productivity_category',
         type = 'module-category',
     },
+    {
+        name = '248k_mining_category',
+        type = 'module-category',
+    },
 
 --============================================================================================================================================================
     --fu fusor
diff --git a/prototypes/248k_techs.lua b/prototypes/248k_techs.lua
index 1e6ff26..adba950 100644
--- a/prototypes/248k_techs.lua
+++ b/prototypes/248k_techs.lua
@@ -1855,6 +1855,32 @@ data:extend({
             time = 30,
         },
     },
+    {
+        name = 'fi_upgrade_tech',
+        type = 'technology',
+        icon = sprite('fi_upgrade_tech.png'),
+        icon_size = 128,
+        prerequisites = {'fu_miner_tech'},
+        effects = {
+            { 
+                type = 'unlock-recipe',
+                recipe = 'fi_upgrade_recipe',
+            },
+            { 
+                type = 'unlock-recipe',
+                recipe = 'fi_miner_upgrade_recipe',
+            },
+        },
+        unit = {
+            count = '100',
+            ingredients = {
+                {'chemical-science-pack',1},
+                {'automation-science-pack',1},
+                {'logistic-science-pack',1,},
+            },
+            time = 30,
+        },
+    },
     --============================================================================================================================================================
     --fu
     {
@@ -3085,6 +3111,36 @@ data:extend({
             time = 100,
         },
     },
+    {
+        name = 'fu_upgrade_tech',
+        type = 'technology',
+        icon = sprite('fu_upgrade_tech.png'),
+        icon_size = 128,
+        prerequisites = {
+            'fi_upgrade_tech',
+            'fu_magnet_tech'
+        },
+        effects = {
+            { 
+                type = 'unlock-recipe',
+                recipe = 'fu_upgrade_recipe',
+            },
+            { 
+                type = 'unlock-recipe',
+                recipe = 'fu_miner_upgrade_recipe',
+            },
+        },
+        unit = {
+            count = '100',
+            ingredients = {
+                {'chemical-science-pack',1},
+                {'automation-science-pack',1},
+                {'logistic-science-pack',1},
+                {'utility-science-pack',1}
+            },
+            time = 30,
+        },
+    },
     --============================================================================================================================================================
     --gravitational
     {
@@ -3869,4 +3925,37 @@ data:extend({
             time = 100,
         },
     },
+    {
+        name = 'gr_upgrade_tech',
+        type = 'technology',
+        icon = sprite('gr_upgrade_tech.png'),
+        icon_size = 128,
+        prerequisites = {
+            'fu_upgrade_tech',
+            'gr_plasma_cube_tech'
+        },
+        effects = {
+            { 
+                type = 'unlock-recipe',
+                recipe = 'gr_upgrade_recipe',
+            },
+            { 
+                type = 'unlock-recipe',
+                recipe = 'gr_miner_upgrade_recipe',
+            },
+        },
+        unit = {
+            count = '100',
+            ingredients = {
+                {'chemical-science-pack',1},
+                {'automation-science-pack',1},
+                {'logistic-science-pack',1},
+                {'production-science-pack',1},
+                {'utility-science-pack',1}, 
+                {'space-science-pack',1}, 
+                {'fu_space_probe_science_item',1}
+            },
+            time = 30,
+        },
+    },
 })
\ No newline at end of file
diff --git a/prototypes/fi_recipes.lua b/prototypes/fi_recipes.lua
index 7c8319a..1fee9bf 100644
--- a/prototypes/fi_recipes.lua
+++ b/prototypes/fi_recipes.lua
@@ -1625,4 +1625,109 @@ data:extend({
         subgroup = 'fi_item_subgroup_f',
         order = 'f-a',
     },
+    {
+        name = 'fi_upgrade_recipe',
+        type = 'recipe',
+        enabled = 'false',
+        category = 'crafting',
+        main_product = 'fi_materials_upgrade',
+        ingredients = {
+            {type="item", name="fi_modules_core_item", amount=2},
+            {type="item", name="speed-module-2", amount=2},
+            {type="item", name="el_energy_crystal_charged_item", amount=10},
+        },
+        results = {
+            {type="item", name="fi_materials_upgrade", amount=2},
+        },
+        result_count = 1,
+        energy_required = 10,
+        always_show_made_in = true,
+    },
+    {
+        name = 'fi_miner_upgrade_recipe',
+        type = 'recipe',
+        enabled = 'false',
+        category = 'crafting',
+        main_product = 'fu_miner_item_2',
+        ingredients = {
+            {type="item", name="fu_miner_item", amount=1},
+            {type="item", name="fi_materials_upgrade", amount=1},
+        },
+        results = {
+            {type="item", name="fu_miner_item_2", amount=1},
+        },
+        result_count = 1,
+        energy_required = 10,
+        always_show_made_in = true,
+    },
+    {
+        name = 'fu_upgrade_recipe',
+        type = 'recipe',
+        enabled = 'false',
+        category = 'crafting',
+        main_product = 'fu_materials_upgrade',
+        ingredients = {
+            {type="item", name="fi_modules_core_item", amount=2},
+            {type="item", name="fi_materials_upgrade", amount=2},
+            {type="item", name="fu_materials_magnet", amount=10},
+        },
+        results = {
+            {type="item", name="fu_materials_upgrade", amount=2},
+        },
+        result_count = 1,
+        energy_required = 10,
+        always_show_made_in = true,
+    },
+    {
+        name = 'fu_miner_upgrade_recipe',
+        type = 'recipe',
+        enabled = 'false',
+        category = 'crafting',
+        main_product = 'fu_miner_item_3',
+        ingredients = {
+            {type="item", name="fu_miner_item", amount=1},
+            {type="item", name="fu_materials_upgrade", amount=1},
+        },
+        results = {
+            {type="item", name="fu_miner_item_3", amount=1},
+        },
+        result_count = 1,
+        energy_required = 10,
+        always_show_made_in = true,
+    },
+    {
+        name = 'gr_upgrade_recipe',
+        type = 'recipe',
+        enabled = 'false',
+        category = 'crafting',
+        main_product = 'gr_materials_upgrade',
+        ingredients = {
+            {type="item", name="fu_materials_upgrade", amount=2},
+            {type="item", name="fi_modules_core_item", amount=2},
+            {type="item", name="gr_materials_plasma_cube", amount=2},
+        },
+        results = {
+            {type="item", name="gr_materials_upgrade", amount=2},
+        },
+        result_count = 1,
+        energy_required = 10,
+        always_show_made_in = true,
+    },
+    {
+        name = 'gr_miner_upgrade_recipe',
+        type = 'recipe',
+        enabled = 'false',
+        category = 'crafting',
+        main_product = 'fu_miner_item_4',
+        ingredients = {
+            {type="item", name="fu_miner_item", amount=1},
+            {type="item", name="gr_materials_upgrade", amount=1},
+        },
+        results = {
+            {type="item", name="fu_miner_item_4", amount=1},
+        },
+        result_count = 1,
+        energy_required = 10,
+        always_show_made_in = true,
+    },
 })
\ No newline at end of file
diff --git a/prototypes/fission/fi_materials.lua b/prototypes/fission/fi_materials.lua
index a03ec77..bc8538c 100644
--- a/prototypes/fission/fi_materials.lua
+++ b/prototypes/fission/fi_materials.lua
@@ -198,5 +198,14 @@ data:extend({
         subgroup = 'fi_item_subgroup_b',
         order = 'f-b',
     },
+    {
+        name = 'fi_materials_upgrade',
+        type = 'item',
+        icon = sprite('upgrade.png'),
+        icon_size = 64,
+        stack_size = 20,
+        subgroup = 'fi_item_subgroup_j',
+        order = 'b-a',
+    },
 
 })
diff --git a/prototypes/fusion/fu_materials.lua b/prototypes/fusion/fu_materials.lua
index a568e55..71ef2f0 100644
--- a/prototypes/fusion/fu_materials.lua
+++ b/prototypes/fusion/fu_materials.lua
@@ -202,4 +202,13 @@ data:extend({
         subgroup = 'fu_item_subgroup_a',
         order = 'f-a',
     },
+    {
+        name = 'fu_materials_upgrade',
+        type = 'item',
+        icon = sprite('upgrade.png'),
+        icon_size = 64,
+        stack_size = 20,
+        subgroup = 'fu_item_subgroup_b',
+        order = 'x-a',
+    },
 })
diff --git a/prototypes/fusion/fu_miner.lua b/prototypes/fusion/fu_miner.lua
index 3f46e32..51521e1 100644
--- a/prototypes/fusion/fu_miner.lua
+++ b/prototypes/fusion/fu_miner.lua
@@ -52,6 +52,8 @@ data:extend({
           mining_time = 1,
           result = 'fu_miner_item',
       },
+      fast_replaceable_group = 'fu_miner_entity',
+      next_upgrade = 'fu_miner_entity_2',
       crafting_categories = {'fu_miner_category'},
       crafting_speed = 1,
       ingredient_count = 2,
@@ -106,4 +108,97 @@ data:extend({
         apparent_volume = 0.3,
       },
   },
-})
\ No newline at end of file
+})
+
+local miner2 = util.table.deepcopy(data.raw['assembling-machine']['fu_miner_entity'])
+miner2.name = 'fu_miner_entity_2'
+miner2.icons = {
+  {
+      icon = miner2.icon
+  },
+  {
+      icon = "__248k__/ressources/icons/fi_upgrade.png"
+  }
+}
+miner2.icon = nil
+miner2.minable.result = 'fu_miner_item_2'
+miner2.crafting_speed = 2
+miner2.next_upgrade = 'fu_miner_entity_3'
+
+local miner3 = util.table.deepcopy(data.raw['assembling-machine']['fu_miner_entity'])
+miner3.name = 'fu_miner_entity_3'
+miner3.icons = {
+  {
+      icon = miner3.icon
+  },
+  {
+      icon = "__248k__/ressources/icons/fu_upgrade.png"
+  }
+}
+miner3.icon = nil
+miner3.minable.result = 'fu_miner_item_3'
+miner3.crafting_speed = 3
+miner3.base_productivity = 0.5
+miner3.next_upgrade = 'fu_miner_entity_4'
+
+local miner4 = util.table.deepcopy(data.raw['assembling-machine']['fu_miner_entity'])
+miner4.name = 'fu_miner_entity_4'
+miner4.icons = {
+  {
+      icon = miner4.icon
+  },
+  {
+      icon = "__248k__/ressources/icons/gr_upgrade.png"
+  }
+}
+miner4.icon = nil
+miner4.minable.result = 'fu_miner_item_4'
+miner4.crafting_speed = 8
+miner4.base_productivity = 4
+
+--items
+local miner2_item = util.table.deepcopy(data.raw['item']['fu_miner_item'])
+miner2_item.name = 'fu_miner_item_2'
+miner2_item.icons = {
+  {
+      icon = miner2_item.icon
+  },
+  {
+      icon = "__248k__/ressources/icons/fi_upgrade.png"
+  }
+}
+miner2_item.icon = nil
+miner2_item.place_result = 'fu_miner_entity_2'
+
+local miner3_item = util.table.deepcopy(data.raw['item']['fu_miner_item'])
+miner3_item.name = 'fu_miner_item_3'
+miner3_item.icons = {
+  {
+      icon = miner3_item.icon
+  },
+  {
+      icon = "__248k__/ressources/icons/fu_upgrade.png"
+  }
+}
+miner3_item.icon = nil
+miner3_item.place_result = 'fu_miner_entity_3'
+miner3_item.subgroup = 'fu_item_subgroup_c'
+miner3_item.order = 'a-b'
+
+local miner4_item = util.table.deepcopy(data.raw['item']['fu_miner_item'])
+miner4_item.name = 'fu_miner_item_4'
+miner4_item.icons = {
+  {
+      icon = miner4_item.icon
+  },
+  {
+      icon = "__248k__/ressources/icons/gr_upgrade.png"
+  }
+}
+miner4_item.icon = nil
+miner4_item.place_result = 'fu_miner_entity_4'
+miner4_item.subgroup = 'gr_item_subgroup_c'
+miner4_item.order = 'a-b'
+
+
+data:extend({miner2,miner3,miner4,miner2_item,miner3_item,miner4_item})
diff --git a/prototypes/gravitation/gr_materials.lua b/prototypes/gravitation/gr_materials.lua
index 3cf5cf4..3dd143b 100644
--- a/prototypes/gravitation/gr_materials.lua
+++ b/prototypes/gravitation/gr_materials.lua
@@ -447,5 +447,14 @@ data:extend({
         subgroup = 'gr_item_subgroup_a',
         order = 'a-a',
     },
+    {
+        name = 'gr_materials_upgrade',
+        type = 'item',
+        icon = sprite('upgrade.png'),
+        icon_size = 64,
+        stack_size = 20,
+        subgroup = 'gr_item_subgroup_d',
+        order = 'x-a',
+    },
 
 })
\ No newline at end of file
diff --git a/ressources/fission/fi_materials/fi_materials_upgrade.png b/ressources/fission/fi_materials/fi_materials_upgrade.png
new file mode 100644
index 0000000..f9ac0f6
Binary files /dev/null and b/ressources/fission/fi_materials/fi_materials_upgrade.png differ
diff --git a/ressources/fusion/fu_materials/fu_materials_upgrade.png b/ressources/fusion/fu_materials/fu_materials_upgrade.png
new file mode 100644
index 0000000..6db843c
Binary files /dev/null and b/ressources/fusion/fu_materials/fu_materials_upgrade.png differ
diff --git a/ressources/gravitation/gr_materials/gr_materials_upgrade.png b/ressources/gravitation/gr_materials/gr_materials_upgrade.png
new file mode 100644
index 0000000..7fa9091
Binary files /dev/null and b/ressources/gravitation/gr_materials/gr_materials_upgrade.png differ
diff --git a/ressources/icons/fi_upgrade.png b/ressources/icons/fi_upgrade.png
new file mode 100644
index 0000000..06ed3a0
Binary files /dev/null and b/ressources/icons/fi_upgrade.png differ
diff --git a/ressources/icons/fu_upgrade.png b/ressources/icons/fu_upgrade.png
new file mode 100644
index 0000000..309a79d
Binary files /dev/null and b/ressources/icons/fu_upgrade.png differ
diff --git a/ressources/icons/gr_upgrade.png b/ressources/icons/gr_upgrade.png
new file mode 100644
index 0000000..235447c
Binary files /dev/null and b/ressources/icons/gr_upgrade.png differ
diff --git a/ressources/techs/fi_upgrade_tech.png b/ressources/techs/fi_upgrade_tech.png
new file mode 100644
index 0000000..985cbd3
Binary files /dev/null and b/ressources/techs/fi_upgrade_tech.png differ
diff --git a/ressources/techs/fu_upgrade_tech.png b/ressources/techs/fu_upgrade_tech.png
new file mode 100644
index 0000000..c870379
Binary files /dev/null and b/ressources/techs/fu_upgrade_tech.png differ
diff --git a/ressources/techs/gr_upgrade_tech.png b/ressources/techs/gr_upgrade_tech.png
new file mode 100644
index 0000000..c1f82f6
Binary files /dev/null and b/ressources/techs/gr_upgrade_tech.png differ
diff --git a/scripts/overhaul.lua b/scripts/overhaul.lua
index 942f5dd..5aaa71c 100644
--- a/scripts/overhaul.lua
+++ b/scripts/overhaul.lua
@@ -155,6 +155,7 @@ tech_table = {
     {"fi_crafter_tech",         "fi_refining_tech"},
     {"el_solar_tech",           "concrete"},
     {"fusion-reactor-equipment","fu_energy_tech"},
+    {"fi_upgrade_tech",         "speed-module-2"},
 
     --add science packs
     {"fi_stage_tech",           "chemical-science-pack"},