diff --git a/automotive/build.gradle b/automotive/build.gradle
index b99a5cd4..0c640166 100644
--- a/automotive/build.gradle
+++ b/automotive/build.gradle
@@ -21,8 +21,8 @@ android {
     defaultConfig {
         minSdkVersion 29
         targetSdkVersion 34
-        versionCode 254
-        versionName "0.27.0.0046"
+        versionCode 256
+        versionName "0.27.0.0047"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/automotive/proguard-rules.pro b/automotive/proguard-rules.pro
new file mode 100644
index 00000000..1ca52f8d
--- /dev/null
+++ b/automotive/proguard-rules.pro
@@ -0,0 +1,5 @@
+-keepclassmembers class com.ixam97.carStatsViewer.liveDataApi.http.HttpDataSet {!transient <fields>;}
+-keepclassmembers class com.ixam97.carStatsViewer.database.tripData.DrivingPoint {!transient <fields>;}
+-keepclassmembers class com.ixam97.carStatsViewer.database.tripData.ChargingSession {!transient <fields>;}
+-keepclassmembers class com.ixam97.carStatsViewer.database.tripData.ChargingPoint {!transient <fields>;}
+-keepclassmembers class com.ixam97.carStatsViewer.liveDataApi.abrpLiveData.AbrpDataSet {!transient <fields>;}
\ No newline at end of file