diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41ffd00..74f7435 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## v3.0.0-beta3
+- **fix**: battery device class attribute missing #145
+
 ## v3.0.0-beta2
 - **fix**: translations strings.json  
 - **doc**: README, FAQ about arming and installer user
diff --git a/custom_components/hikvision_axpro/manifest.json b/custom_components/hikvision_axpro/manifest.json
index 4a42448..b2cc4b5 100644
--- a/custom_components/hikvision_axpro/manifest.json
+++ b/custom_components/hikvision_axpro/manifest.json
@@ -14,5 +14,5 @@
     "hikaxpro==2.3.0",
     "requests"
   ],
-  "version": "3.0.0-beta2"
+  "version": "3.0.0-beta3"
 }
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