diff --git a/changelog.txt b/changelog.txt
index 3151380..d6d6bc9 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,10 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.5.3
+Date: 2021-01-26
+  Changes:
+    - K2: Dirty water filtration quantity
+    - Minor compatibility tweaks
+---------------------------------------------------------------------------------------------------
 Version: 0.5.2
 Date: 2021-01-20
   Changes:
diff --git a/info.json b/info.json
index 0fd0bf6..1c908f3 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzzirconium",
-    "version": "0.5.2",
+    "version": "0.5.3",
     "factorio_version": "1.1",
     "title": "Zirconium",
     "author": "Brevven",
diff --git a/zirconium-recipe.lua b/zirconium-recipe.lua
index d761f3d..37f7c11 100644
--- a/zirconium-recipe.lua
+++ b/zirconium-recipe.lua
@@ -154,6 +154,9 @@ end
 if mods.bzsilicon then
   table.insert(cermet_i, {"silica", 1})
 end
+if mods.bzaluminum then
+  table.insert(cermet_i, {"alumina", 1})
+end
 data:extend({
   {
     type = "item",