diff --git a/changelog.txt b/changelog.txt
index 92e8996..076adee 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,11 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.3.1
+Date: 2020-09-29
+
+  Recipes:
+    - Balanced concrete recipe to lower output relative to 
+      smelting recipes.
+---------------------------------------------------------------------------------------------------
 Version: 0.3.0
 Date: 2020-09-29
 
diff --git a/data.lua b/data.lua
index 31fd848..95f67f7 100644
--- a/data.lua
+++ b/data.lua
@@ -447,7 +447,7 @@ local concrete_recipe = {
 	icon = "__base__/graphics/icons/concrete.png",
 	icon_size = 64,
 	ingredients = {
-		{"adamo-chemical-cement",20},
+		{"adamo-chemical-cement",5},
 		{"stone",50},
 		{type="fluid",name="water",amount=200}
 	},
@@ -466,7 +466,7 @@ local refined_concrete_recipe = {
 	icon = "__base__/graphics/icons/refined-concrete.png",
 	icon_size = 64,
 	ingredients = {
-		{"adamo-chemical-cement",20},
+		{"adamo-chemical-cement",5},
 		{"stone",50},
 		{"SiSi-quartz",10},
 		{type="fluid",name="water",amount=200},