diff --git a/build.gradle b/build.gradle
index 8339c6b..a4feb6c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
   }
 
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.2.3'
+    classpath 'com.android.tools.build:gradle:2.3.2'
     classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
   }
 }
diff --git a/circle.yml b/circle.yml
index 222a0f5..7165e2b 100644
--- a/circle.yml
+++ b/circle.yml
@@ -4,12 +4,12 @@ machine:
 
 dependencies:
   pre:
-    - if [ ! -e /usr/local/android-sdk-linux/build-tools/24.0.2 ]; then echo y | android update sdk --all --no-ui --filter "build-tools-24.0.2"; fi;
-    - if [ ! -e /usr/local/android-sdk-linux/platforms/android-24 ]; then echo y | android update sdk --all --no-ui --filter "android-24"; fi;
+    - if [ ! -e /usr/local/android-sdk-linux/build-tools/25.0.3 ]; then echo y | android update sdk --all --no-ui --filter "build-tools-25.0.3"; fi;
+    - if [ ! -e /usr/local/android-sdk-linux/platforms/android-25 ]; then echo y | android update sdk --all --no-ui --filter "android-25"; fi;
     - if ! $(grep -q "Revision=47.0.0" /usr/local/android-sdk-linux/extras/android/m2repository/source.properties); then echo y | android update sdk --all --no-ui --filter "extra-android-m2repository"; fi;
   cache_directories:
-    - /usr/local/android-sdk-linux/build-tools/24.0.2
-    - /usr/local/android-sdk-linux/platforms/android-24
+    - /usr/local/android-sdk-linux/build-tools/25.0.3
+    - /usr/local/android-sdk-linux/platforms/android-25
     - /usr/local/android-sdk-linux/extras/android/m2repository
 
 test:
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 8a7b30c..66d42a4 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Aug 26 13:53:34 CEST 2016
+#Thu May 18 11:18:30 MDT 2017
 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/lost-sample/build.gradle b/lost-sample/build.gradle
index 541a978..f97f958 100644
--- a/lost-sample/build.gradle
+++ b/lost-sample/build.gradle
@@ -4,7 +4,7 @@ buildscript {
   }
 
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.2.3'
+    classpath 'com.android.tools.build:gradle:2.3.2'
   }
 }
 
@@ -24,13 +24,13 @@ version = VERSION_NAME
 description = """LOST Sample"""
 
 android {
-  compileSdkVersion 24
-  buildToolsVersion "24.0.2"
+  compileSdkVersion 25
+  buildToolsVersion '25.0.3'
 
   defaultConfig {
     applicationId "com.example.lost"
     minSdkVersion 15
-    targetSdkVersion 24
+    targetSdkVersion 25
     versionCode 1
     versionName "1.0"
   }
@@ -49,7 +49,7 @@ task checkstyle(type: Checkstyle) {
 dependencies {
   compile project(':lost')
   compile 'com.mapzen.android:prefs-plus:1.0.0'
-  compile 'com.android.support:appcompat-v7:24.2.1'
+  compile 'com.android.support:appcompat-v7:25.3.1'
 }
 
 apply from: file('../gradle-mvn-push.gradle')
diff --git a/lost/build.gradle b/lost/build.gradle
index 8591379..fd09dd0 100644
--- a/lost/build.gradle
+++ b/lost/build.gradle
@@ -3,7 +3,7 @@ buildscript {
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.2.3'
+    classpath 'com.android.tools.build:gradle:2.3.2'
     classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
     classpath 'net.researchgate:gradle-release:2.4.0'
   }
@@ -31,12 +31,12 @@ release {
 }
 
 android {
-  compileSdkVersion 24
-  buildToolsVersion "24.0.2"
+  compileSdkVersion 25
+  buildToolsVersion '25.0.3'
 
   defaultConfig {
     minSdkVersion 15
-    targetSdkVersion 23
+    targetSdkVersion 25
   }
 
   compileOptions {
@@ -93,8 +93,8 @@ task printVersion << {
 }
 
 dependencies {
-  compile 'com.android.support:support-annotations:24.2.1'
-  compile 'com.android.support:appcompat-v7:24.2.1'
+  compile 'com.android.support:support-annotations:25.3.1'
+  compile 'com.android.support:appcompat-v7:25.3.1'
 
   testCompile 'com.google.guava:guava:18.0'
   testCompile 'junit:junit:4.12'