diff --git a/AccessibilityCodelab/app/build.gradle b/AccessibilityCodelab/app/build.gradle
index 530d25cc8..5474c4541 100644
--- a/AccessibilityCodelab/app/build.gradle
+++ b/AccessibilityCodelab/app/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace 'com.example.jetnews'
-    compileSdkVersion 33
+    compileSdkVersion 34
     defaultConfig {
         applicationId 'com.example.jetnews'
         minSdkVersion 21
diff --git a/AdaptiveUICodelab/app/build.gradle b/AdaptiveUICodelab/app/build.gradle
index 6a9ff5ebc..cf78ab8bf 100644
--- a/AdaptiveUICodelab/app/build.gradle
+++ b/AdaptiveUICodelab/app/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace 'com.example.reply'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         applicationId "com.example.reply"
diff --git a/AdvancedStateAndSideEffectsCodelab/app/build.gradle b/AdvancedStateAndSideEffectsCodelab/app/build.gradle
index 54853a8be..f345f5d83 100644
--- a/AdvancedStateAndSideEffectsCodelab/app/build.gradle
+++ b/AdvancedStateAndSideEffectsCodelab/app/build.gradle
@@ -29,7 +29,7 @@ if (rootProject.file("local.properties").exists()) {
 
 android {
     namespace "androidx.compose.samples.crane"
-    compileSdkVersion 33
+    compileSdkVersion 34
     defaultConfig {
         applicationId "androidx.compose.samples.crane"
         minSdkVersion 21
diff --git a/AnimationCodelab/finished/build.gradle b/AnimationCodelab/finished/build.gradle
index c4222e951..af8089fc0 100644
--- a/AnimationCodelab/finished/build.gradle
+++ b/AnimationCodelab/finished/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace "com.example.android.codelab.animation"
-    compileSdkVersion 33
+    compileSdkVersion 34
     defaultConfig {
         applicationId 'com.example.android.codelab.animation'
         minSdkVersion 21
diff --git a/AnimationCodelab/start/build.gradle b/AnimationCodelab/start/build.gradle
index c4222e951..af8089fc0 100644
--- a/AnimationCodelab/start/build.gradle
+++ b/AnimationCodelab/start/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace "com.example.android.codelab.animation"
-    compileSdkVersion 33
+    compileSdkVersion 34
     defaultConfig {
         applicationId 'com.example.android.codelab.animation'
         minSdkVersion 21
diff --git a/BasicLayoutsCodelab/app/build.gradle b/BasicLayoutsCodelab/app/build.gradle
index 37830e923..c3ba89fc5 100644
--- a/BasicLayoutsCodelab/app/build.gradle
+++ b/BasicLayoutsCodelab/app/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace "com.codelab.basiclayouts"
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         applicationId "com.codelab.basiclayouts"
diff --git a/BasicStateCodelab/app/build.gradle.kts b/BasicStateCodelab/app/build.gradle.kts
index 0197b410f..e5f79b6b7 100644
--- a/BasicStateCodelab/app/build.gradle.kts
+++ b/BasicStateCodelab/app/build.gradle.kts
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace = "com.codelabs.state"
-    compileSdk = 33
+    compileSdk = 34
 
     defaultConfig {
         applicationId = "com.codelabs.state"
diff --git a/BasicsCodelab/app/build.gradle.kts b/BasicsCodelab/app/build.gradle.kts
index cb88d45b8..78e7c83e8 100644
--- a/BasicsCodelab/app/build.gradle.kts
+++ b/BasicsCodelab/app/build.gradle.kts
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace = "com.codelab.basics"
-    compileSdk = 33
+    compileSdk = 34
 
     defaultConfig {
         applicationId = "com.codelab.basics"
diff --git a/MigrationCodelab/app/build.gradle b/MigrationCodelab/app/build.gradle
index 90242c6fc..a2a9c7403 100644
--- a/MigrationCodelab/app/build.gradle
+++ b/MigrationCodelab/app/build.gradle
@@ -20,7 +20,7 @@ apply plugin: 'kotlin-kapt'
 apply plugin: 'androidx.navigation.safeargs.kotlin'
 
 android {
-    compileSdkVersion 33
+    compileSdkVersion 34
     namespace "com.google.samples.apps.sunflower"
     defaultConfig {
         applicationId "com.google.samples.apps.sunflower"
diff --git a/NavigationCodelab/app/build.gradle b/NavigationCodelab/app/build.gradle
index 5c6f45bbf..92d2c669a 100644
--- a/NavigationCodelab/app/build.gradle
+++ b/NavigationCodelab/app/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace "com.example.compose.rally"
-    compileSdkVersion 33
+    compileSdkVersion 34
 
     defaultConfig {
         applicationId "com.example.compose.rally"
diff --git a/TestingCodelab/app/build.gradle b/TestingCodelab/app/build.gradle
index 7eefe7ed1..d19e6d9ad 100644
--- a/TestingCodelab/app/build.gradle
+++ b/TestingCodelab/app/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace "com.example.compose.rally"
-    compileSdkVersion 33
+    compileSdkVersion 34
 
     defaultConfig {
         applicationId "com.example.compose.rally"
diff --git a/ThemingCodelab/app/build.gradle b/ThemingCodelab/app/build.gradle
index 85eae084d..dcf88831b 100644
--- a/ThemingCodelab/app/build.gradle
+++ b/ThemingCodelab/app/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace "com.example.reply"
-    compileSdkVersion 33
+    compileSdkVersion 34
     defaultConfig {
         applicationId 'com.example.reply'
         minSdkVersion 21
diff --git a/ThemingCodelabM2/app/build.gradle b/ThemingCodelabM2/app/build.gradle
index 76955ef11..283b94eba 100644
--- a/ThemingCodelabM2/app/build.gradle
+++ b/ThemingCodelabM2/app/build.gradle
@@ -21,7 +21,7 @@ plugins {
 
 android {
     namespace "com.codelab.theming"
-    compileSdkVersion 33
+    compileSdkVersion 34
     defaultConfig {
         applicationId 'com.codelab.theming'
         minSdkVersion 21