diff --git a/simulation_parameters/microbe_stage/membranes.json b/simulation_parameters/microbe_stage/membranes.json
index f5332382906..be2d5f9d7cc 100644
--- a/simulation_parameters/microbe_stage/membranes.json
+++ b/simulation_parameters/microbe_stage/membranes.json
@@ -26,11 +26,11 @@
     "MovementFactor": 1,
     "BaseWigglyness": 0.9,
     "MovementWigglyness": 0.9,
-    "OsmoregulationFactor": 0.9,
+    "OsmoregulationFactor": 1,
     "ResourceAbsorptionFactor": 1,
-    "Hitpoints": 100,
+    "Hitpoints": 70,
     "PhysicalResistance": 1,
-    "ToxinResistance": 1,
+    "ToxinResistance": 2.0,
     "EditorCost": 50,
     "IconPath": "res://assets/textures/gui/bevel/parts/membraneDouble.png",
     "EditorButtonOrder": 2