diff --git a/app/build.gradle b/app/build.gradle
index e024507..e19750b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,13 +6,13 @@ def code = formattedDate.toInteger() * 10000
 def buildNumber = System.getenv("BITRISE_BUILD_NUMBER") as Integer ?: 0
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.1"
+    compileSdkVersion 24
+    buildToolsVersion "24.0.2"
 
     defaultConfig {
         applicationId "org.hitlabnz.sensor_fusion_demo"
         minSdkVersion 18
-        targetSdkVersion 25
+        targetSdkVersion 24
         versionCode code + buildNumber
         versionName "1.4." + buildNumber
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -31,12 +31,12 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:25.0.1'
+    compile 'com.android.support:support-v4:24.2.1'
 
     testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:2.2.27'
+    testCompile 'org.mockito:mockito-core:1.10.19'
 
-    androidTestCompile 'com.android.support:support-annotations:25.0.1'
+    androidTestCompile 'com.android.support:support-annotations:24.2.1'
 
     androidTestCompile 'org.hamcrest:hamcrest-library:1.3'
     androidTestCompile 'com.android.support.test.uiautomator:uiautomator-v18:2.1.2'