diff --git a/CHANGELOG-FULL.md b/CHANGELOG-FULL.md
index ebd16dc..5e756fa 100644
--- a/CHANGELOG-FULL.md
+++ b/CHANGELOG-FULL.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.21.0
+
+* Teslamate 1.27.4
+
 ## 0.20.0
 
 * Teslamate 1.27.3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d81a913..792a771 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changelog
 
-## 0.20.0
+## 0.21.0
 
-* Teslamate 1.27.3
+* Teslamate 1.27.4
 
 [Full Changelog](https://github.com/matt-FFFFFF/hassio-addon-teslamate/blob/main/CHANGELOG-FULL.md)
diff --git a/build.json b/build.json
index 10ab264..8fddb7c 100644
--- a/build.json
+++ b/build.json
@@ -1,5 +1,5 @@
 {
     "args": {
-      "TESLAMATE_TAG": "1.27.3"
+      "TESLAMATE_TAG": "1.27.4"
     }
 }