diff --git a/ChemistryForYou2/changelog.txt b/ChemistryForYou2/changelog.txt
index 1ccef52..13fc216 100644
--- a/ChemistryForYou2/changelog.txt
+++ b/ChemistryForYou2/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.0.6
+Date: 17.10.2025
+  Bug Fixes:
+    - Fix prerequisite for rich-water-filtration when 248k and silicon are active but bzgas is not
+---------------------------------------------------------------------------------------------------
 Version: 2.0.5
 Date: 16.10.2025
   Bug Fixes:
diff --git a/ChemistryForYou2/info.json b/ChemistryForYou2/info.json
index cd97b89..1888931 100644
--- a/ChemistryForYou2/info.json
+++ b/ChemistryForYou2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "ChemistryForYou2",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "factorio_version": "2.0",
   "title": "ChemistryForYou",
   "author": "Timeken, cackling fiend",