diff --git a/build-android-start/app/build.gradle.kts b/build-android-start/app/build.gradle.kts
index 03af045..e090fde 100644
--- a/build-android-start/app/build.gradle.kts
+++ b/build-android-start/app/build.gradle.kts
@@ -7,12 +7,12 @@ plugins {
 
 android {
     namespace = "com.google.firebase.codelab.friendlychat"
-    compileSdk = 36
+    compileSdk = 37
 
     defaultConfig {
         applicationId = "com.google.firebase.codelab.friendlychat"
         minSdk = 23
-        targetSdk = 36
+        targetSdk = 37
         versionCode = 1
         versionName = "1.0"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
@@ -57,13 +57,13 @@ dependencies {
     implementation("androidx.appcompat:appcompat:1.7.1")
     implementation("androidx.legacy:legacy-support-v4:1.0.0")
     implementation("androidx.media:media:1.8.0")
-    implementation("androidx.core:core-ktx:1.18.0")
+    implementation("androidx.core:core-ktx:1.19.0")
 
     // Google
     implementation("com.google.android.gms:play-services-auth:21.6.0")
 
     // Firebase
-    implementation(platform("com.google.firebase:firebase-bom:34.14.0"))
+    implementation(platform("com.google.firebase:firebase-bom:34.14.1"))
     implementation("com.google.firebase:firebase-database")
     implementation("com.google.firebase:firebase-storage")
     implementation("com.google.firebase:firebase-auth")
diff --git a/build-android-start/build.gradle.kts b/build-android-start/build.gradle.kts
index 24b7364..0fbf42b 100644
--- a/build-android-start/build.gradle.kts
+++ b/build-android-start/build.gradle.kts
@@ -2,7 +2,7 @@
 plugins {
     id("com.android.application") version "9.2.1" apply false
     id("com.android.library") version "9.2.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.3.21" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.0" apply false
     id("com.google.gms.google-services") version "4.4.4" apply false
 }
 
diff --git a/build-android/app/build.gradle.kts b/build-android/app/build.gradle.kts
index 6c10249..a456e9d 100644
--- a/build-android/app/build.gradle.kts
+++ b/build-android/app/build.gradle.kts
@@ -7,12 +7,12 @@ plugins {
 
 android {
     namespace = "com.google.firebase.codelab.friendlychat"
-    compileSdk = 36
+    compileSdk = 37
 
     defaultConfig {
         applicationId = "com.google.firebase.codelab.friendlychat"
         minSdk = 23
-        targetSdk = 36
+        targetSdk = 37
         versionCode = 1
         versionName = "1.0"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
@@ -57,13 +57,13 @@ dependencies {
     implementation("androidx.appcompat:appcompat:1.7.1")
     implementation("androidx.legacy:legacy-support-v4:1.0.0")
     implementation("androidx.media:media:1.8.0")
-    implementation("androidx.core:core-ktx:1.18.0")
+    implementation("androidx.core:core-ktx:1.19.0")
 
     // Google
     implementation("com.google.android.gms:play-services-auth:21.6.0")
 
     // Firebase
-    implementation(platform("com.google.firebase:firebase-bom:34.14.0"))
+    implementation(platform("com.google.firebase:firebase-bom:34.14.1"))
     implementation("com.google.firebase:firebase-database")
     implementation("com.google.firebase:firebase-storage")
     implementation("com.google.firebase:firebase-auth")
diff --git a/build-android/build.gradle.kts b/build-android/build.gradle.kts
index 24b7364..0fbf42b 100644
--- a/build-android/build.gradle.kts
+++ b/build-android/build.gradle.kts
@@ -2,7 +2,7 @@
 plugins {
     id("com.android.application") version "9.2.1" apply false
     id("com.android.library") version "9.2.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.3.21" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.0" apply false
     id("com.google.gms.google-services") version "4.4.4" apply false
 }
 
diff --git a/build.gradle.kts b/build.gradle.kts
index cb3fe20..9b3c420 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,7 +3,7 @@ import com.github.benmanes.gradle.versions.updates.DependencyUpdatesTask
 plugins {
     id("com.android.application") version "9.2.1" apply false
     id("com.android.library") version "9.2.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.3.21" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.0" apply false
     id("com.google.gms.google-services") version "4.4.4" apply false
     id("com.github.ben-manes.versions") version "0.54.0" apply true
 }