diff --git a/README.md b/README.md
index 58d9e12..60bd04c 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,9 @@ See changelog.txt
 - [brevven](https://mods.factorio.com/user/brevven) (code, design, graphics)
 - [snouz](https://github.com/snouz) (graphics)
 
+### Compatibility
+- [nihilistzsche](https://github.com/nihilistzsche)
+
 ### Localization
 - [thinOptimist](https://mods.factorio.com/user/thinOptimist) (ru)
 - [yokmp](https://mods.factorio.com/user/yokmp) (de)
diff --git a/changelog.txt b/changelog.txt
index cf49698..b60ec6b 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,7 @@
+Version: 1.2.12
+Date: 2023-02-12
+  Changes:
+    - Crafting efficiency improvements, thanks to nihilistzsche
 ---------------------------------------------------------------------------------------------------
 Version: 1.2.11
 Date: 2023-01-17
diff --git a/info.json b/info.json
index 6d7ac2c..dd62d75 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bztitanium",
-    "version": "1.2.11",
+    "version": "1.2.12",
     "factorio_version": "1.1",
     "title": "Titanium",
     "author": "Brevven",