diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c8ad4d..1f7d3e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased/Snapshot]
 
+### Added
+
+### Changed
+
+### Fixed
+
+## [0.12.0] - 2025-11-20
+
 ### Added
 - Adding some utility methods [#368](https://github.com/ie3-institute/simonaAPI/issues/368)
 - Extending flex option handling in `ExtInputContainer` [#371](https://github.com/ie3-institute/simonaAPI/issues/371)
@@ -13,13 +21,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - Changes to sent and received em data [#2366](https://github.com/ie3-institute/simonaAPI/issues/366)
-- Changed the PRated in the EvModel to SRated and added cosphi to the model [#259](https://github.com/ie3-institute/simonaAPI/issues/259)
+- Changed the PRated in the EvModel to SRated and added cosPhi to the model [#259](https://github.com/ie3-institute/simonaAPI/issues/259)
 - Update `Gradle` to 9.2.0 [#381](https://github.com/ie3-institute/simonaAPI/issues/381)
 - Update `Gradle` to 9.2.1 [#389](https://github.com/ie3-institute/simonaAPI/issues/389)
 
 ### Fixed
 - Issues related to em data [#366](https://github.com/ie3-institute/simonaAPI/issues/366)
-- `Fixed bugs in `ExtEntityMapping` [#373](https://github.com/ie3-institute/simonaAPI/issues/373)
+- Fixed bugs in `ExtEntityMapping` [#373](https://github.com/ie3-institute/simonaAPI/issues/373)
 - Fixed changelog entry #366 [#378](https://github.com/ie3-institute/simonaAPI/issues/366)
 - Fix considered data in `ExtEntityMapping.getAssets()` [#384](https://github.com/ie3-institute/simonaAPI/issues/384)
 
diff --git a/src/main/java/edu/ie3/simona/api/data/model/ev/EvModel.java b/src/main/java/edu/ie3/simona/api/data/model/ev/EvModel.java
index 3f17aa8..5d4c172 100644
--- a/src/main/java/edu/ie3/simona/api/data/model/ev/EvModel.java
+++ b/src/main/java/edu/ie3/simona/api/data/model/ev/EvModel.java
@@ -35,7 +35,7 @@ public interface EvModel {
   /**
    * @return the power factor of this ev
    */
-  Double getCosPhiRated();
+  double getCosPhiRated();
 
   /**
    * @return the storage capacity of this ev's battery
diff --git a/version.properties b/version.properties
index ec5287c..6d1a200 100644
--- a/version.properties
+++ b/version.properties
@@ -1,8 +1,8 @@
 #Generated by the Semver Plugin for Gradle
-#Thu Oct 23 14:05:49 CEST 2025
+#Fri Nov 28 10:44:09 CET 2025
 version.buildmeta=
 version.major=0
-version.minor=12
+version.minor=13
 version.patch=0
 version.prerelease=
-version.semver=0.12.0
+version.semver=0.13.0