diff --git a/Tantalite2/changelog.txt b/Tantalite2/changelog.txt
index dd5df80..1b19a3a 100644
--- a/Tantalite2/changelog.txt
+++ b/Tantalite2/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.0.5
+Date: 20.02.2026
+  Bug Fixes:
+    - Add unlock for dirty-water-filtration-tantalite (thanks Morganite)
+---------------------------------------------------------------------------------------------------
 Version: 2.0.4
 Date: 25.12.2025
   Changes:
diff --git a/Tantalite2/info.json b/Tantalite2/info.json
index 6d6024b..8795c4d 100644
--- a/Tantalite2/info.json
+++ b/Tantalite2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "Tantalite2",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "factorio_version": "2.0",
   "title": "Tantalite",
   "description": "Tantalite is a mod adding tantalum and niobium.\n\nThis mod is inspired by Brevven's BZ mods.",
diff --git a/Tantalite2/prototypes/tantalite-enriched.lua b/Tantalite2/prototypes/tantalite-enriched.lua
index f77c707..71ebfc5 100644
--- a/Tantalite2/prototypes/tantalite-enriched.lua
+++ b/Tantalite2/prototypes/tantalite-enriched.lua
@@ -112,6 +112,7 @@ data:extend(
 })
 util.add_effect("kr-enriched-ores", { type = "unlock-recipe", recipe = "enriched-tantalite" })
 util.add_effect("kr-enriched-ores", { type = "unlock-recipe", recipe = "enriched-tantalite-smelting" })
+util.add_effect("kr-enriched-ores", { type = "unlock-recipe", recipe = "dirty-water-filtration-tantalite" })
 
 util.add_productivity("enriched-tantalite")