diff --git a/PHI-CL/changelog.txt b/PHI-CL/changelog.txt
index c903eca..4c8f626 100644
--- a/PHI-CL/changelog.txt
+++ b/PHI-CL/changelog.txt
@@ -1,6 +1,13 @@
+---------------------------------------------------------------------------------------------------
+Version: 3.0.148
+Date: 2026-06-21
+
+  Changes:
+    - [GM] Generic code layout restructure.
+
 ---------------------------------------------------------------------------------------------------
 Version: 3.0.147
-Date: 2026-06-21
+Date: 2026-06-14
 
   Changes:
     - [MB] Fixed an issue with code logic.
diff --git a/PHI-CL/data/b/gm-vp-c.lua b/PHI-CL/data/b/gm-vp-c.lua
index 9e6bf40..5a25e25 100644
--- a/PHI-CL/data/b/gm-vp-c.lua
+++ b/PHI-CL/data/b/gm-vp-c.lua
@@ -933,7 +933,7 @@ local items = {
             effects = {{type = 'change-recipe-productivity', recipe = 'rocket-part', change = 0.05}}
         },
         ['research-productivity'] = {
-            prerequisites = {'space-science-pack', 'biolab', 'metallurgic-science-pack', 'electromagnetic-science-pack', 'cryogenic-science-pack'},
+            prerequisites = {'space-science-pack', 'biolab'},
             unit_count_formula = '1500 * (1.5 ^ L)',
             unit_ingredients = {{'automation-science-pack', 1}, {'logistic-science-pack', 1}, {'chemical-science-pack', 1}, {'production-science-pack', 1}, {'utility-science-pack', 1}, {'space-science-pack', 1}, {'metallurgic-science-pack', 1}, {'electromagnetic-science-pack', 1}, {'cryogenic-science-pack', 1}},
             max_level = 10,
diff --git a/PHI-CL/info.json b/PHI-CL/info.json
index a93bff2..ba5b0f8 100644
--- a/PHI-CL/info.json
+++ b/PHI-CL/info.json
@@ -1,6 +1,6 @@
 {
     "name": "PHI-CL",
-    "version": "3.0.147",
+    "version": "3.0.148",
     "factorio_version": "2.0",
     "date": "2026-06-21",
     "title": "Phidias Collection",