diff --git a/visionSamples/FaceTracker/app/build.gradle b/visionSamples/FaceTracker/app/build.gradle
index d40e40d8..d95538bf 100644
--- a/visionSamples/FaceTracker/app/build.gradle
+++ b/visionSamples/FaceTracker/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.face.facetracker"
         minSdkVersion 9
-        targetSdkVersion 24
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,7 +21,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:support-v4:24.2.0'
-    compile 'com.android.support:design:24.2.0'
-    compile 'com.google.android.gms:play-services-vision:9.4.0+'
+    compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.android.support:design:25.3.1'
+    compile 'com.google.android.gms:play-services-vision:10.2.6'
 }
diff --git a/visionSamples/FaceTracker/build.gradle b/visionSamples/FaceTracker/build.gradle
index d14039de..ea98e44f 100644
--- a/visionSamples/FaceTracker/build.gradle
+++ b/visionSamples/FaceTracker/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.3.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/visionSamples/FaceTracker/gradle/wrapper/gradle-wrapper.properties b/visionSamples/FaceTracker/gradle/wrapper/gradle-wrapper.properties
index a2335059..3ea4f49f 100644
--- a/visionSamples/FaceTracker/gradle/wrapper/gradle-wrapper.properties
+++ b/visionSamples/FaceTracker/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/visionSamples/barcode-reader/app/build.gradle b/visionSamples/barcode-reader/app/build.gradle
index 68c19a1f..eaab760b 100644
--- a/visionSamples/barcode-reader/app/build.gradle
+++ b/visionSamples/barcode-reader/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.1"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.barcodereader"
         minSdkVersion 9
-        targetSdkVersion 24
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,8 +21,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:support-v4:24.2.0'
-    // Important - the CameraSource implementation in this project requires version 8.1 or higher.
-    compile 'com.google.android.gms:play-services-vision:9.4.0+'
-    compile 'com.android.support:design:24.2.0'
+    compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.android.support:design:25.3.1'
+    compile 'com.google.android.gms:play-services-vision:10.2.6'
 }
diff --git a/visionSamples/barcode-reader/build.gradle b/visionSamples/barcode-reader/build.gradle
index d14039de..ea98e44f 100644
--- a/visionSamples/barcode-reader/build.gradle
+++ b/visionSamples/barcode-reader/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.3.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/visionSamples/barcode-reader/gradle/wrapper/gradle-wrapper.properties b/visionSamples/barcode-reader/gradle/wrapper/gradle-wrapper.properties
index 1081cc34..eaba3011 100644
--- a/visionSamples/barcode-reader/gradle/wrapper/gradle-wrapper.properties
+++ b/visionSamples/barcode-reader/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/visionSamples/googly-eyes/app/build.gradle b/visionSamples/googly-eyes/app/build.gradle
index 438688f6..fb44ee8a 100644
--- a/visionSamples/googly-eyes/app/build.gradle
+++ b/visionSamples/googly-eyes/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.face.googlyeyes"
         minSdkVersion 9
-        targetSdkVersion 24
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,7 +21,8 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-	compile 'com.android.support:support-v4:24.2.0'
-	compile 'com.android.support:design:24.2.0'
-	compile 'com.google.android.gms:play-services-vision:9.4.0+'
+    compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.android.support:design:25.3.1'
+    compile 'com.google.android.gms:play-services-vision:10.2.6'
 }
+
diff --git a/visionSamples/googly-eyes/build.gradle b/visionSamples/googly-eyes/build.gradle
index d14039de..ea98e44f 100644
--- a/visionSamples/googly-eyes/build.gradle
+++ b/visionSamples/googly-eyes/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.3.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/visionSamples/googly-eyes/gradle/wrapper/gradle-wrapper.properties b/visionSamples/googly-eyes/gradle/wrapper/gradle-wrapper.properties
index aa1e69f8..a3a2e355 100644
--- a/visionSamples/googly-eyes/gradle/wrapper/gradle-wrapper.properties
+++ b/visionSamples/googly-eyes/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/visionSamples/multi-tracker/app/build.gradle b/visionSamples/multi-tracker/app/build.gradle
index e2e2c4a3..b254a1b7 100644
--- a/visionSamples/multi-tracker/app/build.gradle
+++ b/visionSamples/multi-tracker/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.face.multitracker"
         minSdkVersion 9
-        targetSdkVersion 24
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,7 +21,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-	compile 'com.android.support:support-v4:24.2.0'
-    compile 'com.android.support:design:24.2.0'
-    compile 'com.google.android.gms:play-services-vision:9.4.0+'
-}
\ No newline at end of file
+    compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.android.support:design:25.3.1'
+    compile 'com.google.android.gms:play-services-vision:10.2.6'
+}
diff --git a/visionSamples/multi-tracker/build.gradle b/visionSamples/multi-tracker/build.gradle
index d14039de..ea98e44f 100644
--- a/visionSamples/multi-tracker/build.gradle
+++ b/visionSamples/multi-tracker/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.3.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/visionSamples/multi-tracker/gradle/wrapper/gradle-wrapper.properties b/visionSamples/multi-tracker/gradle/wrapper/gradle-wrapper.properties
index 1081cc34..eaba3011 100644
--- a/visionSamples/multi-tracker/gradle/wrapper/gradle-wrapper.properties
+++ b/visionSamples/multi-tracker/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/visionSamples/ocr-codelab/ocr-reader-complete/app/build.gradle b/visionSamples/ocr-codelab/ocr-reader-complete/app/build.gradle
index 211143c5..17e75f61 100644
--- a/visionSamples/ocr-codelab/ocr-reader-complete/app/build.gradle
+++ b/visionSamples/ocr-codelab/ocr-reader-complete/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion '25.0.0'
+    compileSdkVersion 25
+    buildToolsVersion '25.0.2'
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.barcodereader"
         minSdkVersion 21
-        targetSdkVersion 23
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,7 +21,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-	compile 'com.android.support:support-v4:24.2.0'
-    compile 'com.google.android.gms:play-services-vision:9.4.0+'
-    compile 'com.android.support:design:24.2.0'
+	compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.google.android.gms:play-services-vision:10.2.6'
+    compile 'com.android.support:design:25.3.1'
 }
diff --git a/visionSamples/ocr-codelab/ocr-reader-start/app/build.gradle b/visionSamples/ocr-codelab/ocr-reader-start/app/build.gradle
index 0623f973..80fbfddf 100644
--- a/visionSamples/ocr-codelab/ocr-reader-start/app/build.gradle
+++ b/visionSamples/ocr-codelab/ocr-reader-start/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion '25.0.0'
+    compileSdkVersion 25
+    buildToolsVersion '25.0.3'
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.barcodereader"
         minSdkVersion 21
-        targetSdkVersion 24
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,6 +21,6 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-	compile 'com.android.support:support-v4:24.2.0'
-    compile 'com.android.support:design:24.2.0'
+	compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.android.support:design:25.3.1'
 }
diff --git a/visionSamples/ocr-reader/app/build.gradle b/visionSamples/ocr-reader/app/build.gradle
index fc453729..5913451e 100644
--- a/visionSamples/ocr-reader/app/build.gradle
+++ b/visionSamples/ocr-reader/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion '25.0.0'
+    compileSdkVersion 25
+    buildToolsVersion '25.0.3'
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.ocrreader"
         minSdkVersion 9
-        targetSdkVersion 23
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,7 +21,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-	compile 'com.android.support:support-v4:24.2.0'
-    compile 'com.google.android.gms:play-services-vision:9.4.0+'
-    compile 'com.android.support:design:24.2.0'
+	compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.google.android.gms:play-services-vision:10.2.6'
+    compile 'com.android.support:design:25.3.1'
 }
diff --git a/visionSamples/photo-demo/app/build.gradle b/visionSamples/photo-demo/app/build.gradle
index 7aad5294..f48ad8e5 100644
--- a/visionSamples/photo-demo/app/build.gradle
+++ b/visionSamples/photo-demo/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.face.photo"
         minSdkVersion 9
-        targetSdkVersion 24
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,6 +21,6 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:22.0.0'
-    compile 'com.google.android.gms:play-services-vision:9.4.0'
+    compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.google.android.gms:play-services-vision:10.2.6'
 }
diff --git a/visionSamples/photo-demo/build.gradle b/visionSamples/photo-demo/build.gradle
index d14039de..ea98e44f 100644
--- a/visionSamples/photo-demo/build.gradle
+++ b/visionSamples/photo-demo/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.3.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/visionSamples/photo-demo/gradle/wrapper/gradle-wrapper.properties b/visionSamples/photo-demo/gradle/wrapper/gradle-wrapper.properties
index 1081cc34..eaba3011 100644
--- a/visionSamples/photo-demo/gradle/wrapper/gradle-wrapper.properties
+++ b/visionSamples/photo-demo/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip