diff --git a/clients/tablet/core/ui/src/commonMain/kotlin/band/effective/office/tablet/core/ui/theme/Theme.kt b/clients/tablet/core/ui/src/commonMain/kotlin/band/effective/office/tablet/core/ui/theme/Theme.kt
index e3fce5963..be71481b1 100644
--- a/clients/tablet/core/ui/src/commonMain/kotlin/band/effective/office/tablet/core/ui/theme/Theme.kt
+++ b/clients/tablet/core/ui/src/commonMain/kotlin/band/effective/office/tablet/core/ui/theme/Theme.kt
@@ -7,6 +7,7 @@ import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.staticCompositionLocalOf
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.TextStyle
@@ -73,7 +74,8 @@ val CustomLightColors = CustomColorsPalette(
 /**
  * Custom color palette data class for additional colors not covered by Material Theme
  */
-data class CustomColorsPalette(
+@Immutable
+ data class CustomColorsPalette(
     val elevationBackground: Color = Color.Unspecified,
     val mountainBackground: Color = Color.Unspecified,
     val busyStatus: Color = Color.Unspecified,
diff --git a/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/State.kt b/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/State.kt
index 18acb27d7..3ccae33f5 100644
--- a/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/State.kt
+++ b/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/State.kt
@@ -1,11 +1,13 @@
 package band.effective.office.tablet.feature.bookingEditor.presentation
 
+import androidx.compose.runtime.Stable
 import band.effective.office.tablet.core.domain.model.EventInfo
 import band.effective.office.tablet.core.domain.model.Organizer
 import band.effective.office.tablet.core.domain.util.currentLocalDateTime
 import kotlinx.datetime.LocalDateTime
 
-data class State(
+@Stable
+ data class State(
     val duration: Int,
     val date: LocalDateTime,
     val organizers: List<Organizer>,
diff --git a/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/datetimepicker/DateTimePickerComponent.kt b/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/datetimepicker/DateTimePickerComponent.kt
index 62ff47f96..31c4cd4ac 100644
--- a/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/datetimepicker/DateTimePickerComponent.kt
+++ b/clients/tablet/feature/bookingEditor/src/commonMain/kotlin/band/effective/office/tablet/feature/bookingEditor/presentation/datetimepicker/DateTimePickerComponent.kt
@@ -1,5 +1,6 @@
 package band.effective.office.tablet.feature.bookingEditor.presentation.datetimepicker
 
+import androidx.compose.runtime.Immutable
 import band.effective.office.tablet.core.domain.model.EventInfo
 import band.effective.office.tablet.core.domain.useCase.CheckBookingUseCase
 import band.effective.office.tablet.core.domain.util.asInstant
@@ -108,6 +109,7 @@ class DateTimePickerComponent(
         mutableState.update { it.copy(isEnabledButton = isEnabled) }
     }
 
+    @Immutable
     data class State(
         val currentDate: LocalDateTime,
         val isEnabledButton: Boolean
diff --git a/clients/tablet/feature/fastbooking/src/commonMain/kotlin/band/effective/office/tablet/feature/fastBooking/presentation/State.kt b/clients/tablet/feature/fastbooking/src/commonMain/kotlin/band/effective/office/tablet/feature/fastBooking/presentation/State.kt
index 2770414ad..fc5879ca2 100644
--- a/clients/tablet/feature/fastbooking/src/commonMain/kotlin/band/effective/office/tablet/feature/fastBooking/presentation/State.kt
+++ b/clients/tablet/feature/fastbooking/src/commonMain/kotlin/band/effective/office/tablet/feature/fastBooking/presentation/State.kt
@@ -1,5 +1,6 @@
 package band.effective.office.tablet.feature.fastBooking.presentation
 
+import androidx.compose.runtime.Immutable
 import band.effective.office.tablet.core.domain.model.EventInfo
 import band.effective.office.tablet.core.domain.util.currentLocalDateTime
 import kotlinx.datetime.LocalDateTime
@@ -7,7 +8,8 @@ import kotlinx.datetime.LocalDateTime
 /**
  * State for the FastBookingComponent.
  */
-data class State(
+@Immutable
+ data class State(
     val isLoad: Boolean,
     val isSuccess: Boolean,
     val isError: Boolean,
diff --git a/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/freeuproom/State.kt b/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/freeuproom/State.kt
index f0b004ece..4e3f77cfe 100644
--- a/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/freeuproom/State.kt
+++ b/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/freeuproom/State.kt
@@ -1,6 +1,9 @@
 package band.effective.office.tablet.feature.main.presentation.freeuproom
 
-data class State(
+import androidx.compose.runtime.Immutable
+
+@Immutable
+ data class State(
     val isLoad: Boolean,
     val isSuccess: Boolean
 ) {
diff --git a/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/State.kt b/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/State.kt
index 6a586d30e..a998a467a 100644
--- a/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/State.kt
+++ b/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/State.kt
@@ -1,10 +1,12 @@
 package band.effective.office.tablet.feature.main.presentation.main
 
+import androidx.compose.runtime.Stable
 import band.effective.office.tablet.core.domain.model.RoomInfo
 import band.effective.office.tablet.core.domain.util.currentLocalDateTime
 import kotlinx.datetime.LocalDateTime
 
-data class State(
+@Stable
+ data class State(
     val isLoad: Boolean,
     val isData: Boolean,
     val isError: Boolean,
diff --git a/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/navigation/ModalWindowsConfig.kt b/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/navigation/ModalWindowsConfig.kt
index 9e102955d..123dbbbbe 100644
--- a/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/navigation/ModalWindowsConfig.kt
+++ b/clients/tablet/feature/main/src/commonMain/kotlin/band/effective/office/tablet/feature/main/presentation/main/navigation/ModalWindowsConfig.kt
@@ -1,10 +1,12 @@
 package band.effective.office.tablet.feature.main.presentation.main.navigation
 
+import androidx.compose.runtime.Stable
 import band.effective.office.tablet.core.domain.model.EventInfo
 import band.effective.office.tablet.core.domain.model.RoomInfo
 import kotlinx.serialization.Serializable
 
 @Serializable
+@Stable
 sealed interface ModalWindowsConfig {
 
     @Serializable
diff --git a/clients/tablet/feature/settings/src/commonMain/kotlin/band/effective/office/tablet/feature/settings/State.kt b/clients/tablet/feature/settings/src/commonMain/kotlin/band/effective/office/tablet/feature/settings/State.kt
index 0ec1a9b99..f54cb7768 100644
--- a/clients/tablet/feature/settings/src/commonMain/kotlin/band/effective/office/tablet/feature/settings/State.kt
+++ b/clients/tablet/feature/settings/src/commonMain/kotlin/band/effective/office/tablet/feature/settings/State.kt
@@ -1,8 +1,10 @@
 package band.effective.office.tablet.feature.settings
 
+import androidx.compose.runtime.Stable
 import band.effective.office.tablet.core.domain.model.RoomsEnum
 
-data class State(
+@Stable
+ data class State(
     val rooms: List<String>,
     val currentName: String,
     val loading: Boolean,
diff --git a/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/SlotUi.kt b/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/SlotUi.kt
index 2270986f3..368d4c4a5 100644
--- a/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/SlotUi.kt
+++ b/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/SlotUi.kt
@@ -1,7 +1,9 @@
 package band.effective.office.tablet.feature.slot.presentation
 
+import androidx.compose.runtime.Stable
 import band.effective.office.tablet.core.domain.model.Slot
 
+@Stable
 sealed interface SlotUi {
     val slot: Slot
 
diff --git a/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/State.kt b/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/State.kt
index 713fd6e84..5d29d3259 100644
--- a/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/State.kt
+++ b/clients/tablet/feature/slot/src/commonMain/kotlin/band/effective/office/tablet/feature/slot/presentation/State.kt
@@ -1,6 +1,9 @@
 package band.effective.office.tablet.feature.slot.presentation
 
-data class State(
+import androidx.compose.runtime.Stable
+
+@Stable
+ data class State(
     val slots: List<SlotUi>
 ) {
     companion object {