diff --git a/lignumis/prototypes/content/technology.lua b/lignumis/prototypes/content/technology.lua
index d0f7dee..e6632a6 100644
--- a/lignumis/prototypes/content/technology.lua
+++ b/lignumis/prototypes/content/technology.lua
@@ -68,6 +68,10 @@ data:extend({
             {
                 type = "unlock-recipe",
                 recipe = "provisional-rocket-silo"
+            },
+            {
+              type = "unlock-recipe",
+              recipe = "provisional-rocket-part"
             }
         },
         prerequisites = { "wood-liquefaction" },