diff --git a/changelog.txt b/changelog.txt
index d7f3cd95..958de7e3 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -17,6 +17,7 @@ Date: ???
     - fixed a biofluid crash when used with a bigger stack sizes mod
     - added a new atomizer recipe to convert chitin into geothermal water
     - fixed organization issues in the pyAL recipe tab
+    - increased blood usage in blood meal recipe from 15 to 100. reduced fiberboard requirement from 2 to 1
   TURD:
     - added T.U.R.D unselect infinite tech to allow the indecisive to revert a single T.U.R.D selection
     - added the option to unselect T.U.R.D paths for free once the next 10 hours after an update if you've chosen a path that got changed
diff --git a/prototypes/updates/pyhightech-updates.lua b/prototypes/updates/pyhightech-updates.lua
index 3bd56585..86be707c 100644
--- a/prototypes/updates/pyhightech-updates.lua
+++ b/prototypes/updates/pyhightech-updates.lua
@@ -1620,3 +1620,7 @@ RECIPE('fertilizer-2'):add_unlock('biofluid-mk01'):add_ingredient{type = 'item',
 
 FUN.productivity{'cellulose-01'}
 
+data.raw.recipe['blood-meal'].ingredients = {
+    {type = 'fluid', name = 'blood', amount = 100},
+    {type = 'item', name = 'fiberboard', amount = 1}
+}
\ No newline at end of file