diff --git a/Cobalt2/changelog.txt b/Cobalt2/changelog.txt
index 5cb4010..6081be3 100644
--- a/Cobalt2/changelog.txt
+++ b/Cobalt2/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.0.4
+Date: 01.11.2025
+  Bug Fixes:
+    - Fix K2 matter integration (thanks pla)
+---------------------------------------------------------------------------------------------------
 Version: 2.0.3
 Date: 21.10.2025
   Changes:
diff --git a/Cobalt2/info.json b/Cobalt2/info.json
index 25a8c94..d72b47a 100644
--- a/Cobalt2/info.json
+++ b/Cobalt2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "Cobalt2",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "factorio_version": "2.0",
   "title": "Cobalt",
   "description": "Cobalt is a mod adding the element Cobalt.\n\nThis mod is inspired by Brevven's BZ mods.",