diff --git a/core/model/build.gradle.kts b/core/model/build.gradle.kts
index 64219943b..685dd9640 100644
--- a/core/model/build.gradle.kts
+++ b/core/model/build.gradle.kts
@@ -4,6 +4,7 @@ plugins {
 }
 
 dependencies {
+    compileOnly(libs.compose.stable.marker)
     api(libs.kotlinx.collections.immutable)
     implementation(libs.kotlinx.serialization.json)
 }
diff --git a/core/model/src/main/java/com/neki/android/core/model/Album.kt b/core/model/src/main/java/com/neki/android/core/model/Album.kt
index 0c53478de..f73418f6f 100644
--- a/core/model/src/main/java/com/neki/android/core/model/Album.kt
+++ b/core/model/src/main/java/com/neki/android/core/model/Album.kt
@@ -1,10 +1,12 @@
 package com.neki.android.core.model
 
+import androidx.compose.runtime.Immutable
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.serialization.Serializable
 
 @Serializable
+@Immutable
 data class Album(
     val id: Long = 0L,
     val title: String = "",
@@ -13,6 +15,7 @@ data class Album(
 )
 
 @Serializable
+@Immutable
 data class AlbumPreview(
     val id: Long = 0L,
     val title: String = "",
diff --git a/core/model/src/main/java/com/neki/android/core/model/Brand.kt b/core/model/src/main/java/com/neki/android/core/model/Brand.kt
index 5c1b49434..60d609dcc 100644
--- a/core/model/src/main/java/com/neki/android/core/model/Brand.kt
+++ b/core/model/src/main/java/com/neki/android/core/model/Brand.kt
@@ -1,5 +1,8 @@
 package com.neki.android.core.model
 
+import androidx.compose.runtime.Immutable
+
+@Immutable
 data class Brand(
     val isChecked: Boolean = false,
     val id: Long = 0L,
diff --git a/core/model/src/main/java/com/neki/android/core/model/Photo.kt b/core/model/src/main/java/com/neki/android/core/model/Photo.kt
index e83af823d..4bf01f306 100644
--- a/core/model/src/main/java/com/neki/android/core/model/Photo.kt
+++ b/core/model/src/main/java/com/neki/android/core/model/Photo.kt
@@ -1,10 +1,11 @@
 package com.neki.android.core.model
 
+import androidx.compose.runtime.Immutable
 import kotlinx.serialization.Serializable
-import kotlin.time.ExperimentalTime
 
 @Serializable
-data class Photo @OptIn(ExperimentalTime::class) constructor(
+@Immutable
+data class Photo(
     val id: Long = 0L,
     val imageUrl: String = "",
     val isFavorite: Boolean = false,
diff --git a/core/model/src/main/java/com/neki/android/core/model/PhotoBooth.kt b/core/model/src/main/java/com/neki/android/core/model/PhotoBooth.kt
index f5f4e534d..4d5f37d1a 100644
--- a/core/model/src/main/java/com/neki/android/core/model/PhotoBooth.kt
+++ b/core/model/src/main/java/com/neki/android/core/model/PhotoBooth.kt
@@ -1,5 +1,8 @@
 package com.neki.android.core.model
 
+import androidx.compose.runtime.Immutable
+
+@Immutable
 data class PhotoBooth(
     val isFocused: Boolean = false,
     val isCheckedBrand: Boolean = true,
diff --git a/core/model/src/main/java/com/neki/android/core/model/Pose.kt b/core/model/src/main/java/com/neki/android/core/model/Pose.kt
index ecfc81ac5..db0c1f3d4 100644
--- a/core/model/src/main/java/com/neki/android/core/model/Pose.kt
+++ b/core/model/src/main/java/com/neki/android/core/model/Pose.kt
@@ -1,8 +1,10 @@
 package com.neki.android.core.model
 
+import androidx.compose.runtime.Immutable
 import kotlinx.serialization.Serializable
 
 @Serializable
+@Immutable
 data class Pose(
     val id: Long = 0L,
     val poseImageUrl: String = "",
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 91a5e5587..21e35896e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,6 +2,7 @@
 agp = "8.13.1"
 annotationExperimental = "1.5.1"
 cameraX = "1.5.2"
+composeStableMarker = "1.0.7"
 kotlin = "2.1.0"
 coreKtx = "1.15.0"
 junit = "4.13.2"
@@ -55,6 +56,7 @@ androidx-compose-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-
 androidx-compose-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
 androidx-compose-material3 = { group = "androidx.compose.material3", name = "material3" }
 androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
+compose-stable-marker = { module = "com.github.skydoves:compose-stable-marker", version.ref = "composeStableMarker" }
 
 androidx-navigation3-runtime = { group = "androidx.navigation3", name = "navigation3-runtime", version.ref = "androidxNavigation3" }
 androidx-navigation3-ui = { group = "androidx.navigation3", name = "navigation3-ui", version.ref = "androidxNavigation3" }