diff --git a/IntermediatesForYou2/changelog.txt b/IntermediatesForYou2/changelog.txt
index c9e43ad..a26f89e 100644
--- a/IntermediatesForYou2/changelog.txt
+++ b/IntermediatesForYou2/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.1.1
+Date: 16.03.2026
+  Bug Fixes:
+    - Correct renamed "efficiency-module"
+---------------------------------------------------------------------------------------------------
 Version: 2.1.0
 Date: 11.03.2026
   Changes:
diff --git a/IntermediatesForYou2/info.json b/IntermediatesForYou2/info.json
index d4a01eb..76496d9 100644
--- a/IntermediatesForYou2/info.json
+++ b/IntermediatesForYou2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "IntermediatesForYou2",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "factorio_version": "2.0",
   "title": "IntermediatesForYou",
   "description": "This mod adds some intermediates and is intented to be played with my other mods.\n\nThis mod is inspired by Brevven's BZ mods.",