diff --git a/app/build.gradle b/app/build.gradle
index 9ea4de950..6ac06dfb4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -40,10 +40,10 @@ dependencies {
     compile 'com.journeyapps:zxing-android-embedded:3.5.0@aar'
     compile 'com.google.zxing:core:3.3.0'
     compile 'org.apache.commons:commons-csv:1.2'
-    compile group: 'com.google.guava', name: 'guava', version: '18.0'
+    compile group: 'com.google.guava', name: 'guava', version: '20.0'
     compile 'com.github.apl-devs:appintro:v4.2.0'
     testCompile 'junit:junit:4.12'
-    testCompile "org.robolectric:robolectric:3.0"
+    testCompile "org.robolectric:robolectric:3.3.2"
 }
 
 task findbugs(type: FindBugs, dependsOn: assembleDebug) {
diff --git a/app/src/test/java/protect/card_locker/DatabaseTest.java b/app/src/test/java/protect/card_locker/DatabaseTest.java
index 88761c8a3..7eab1444d 100644
--- a/app/src/test/java/protect/card_locker/DatabaseTest.java
+++ b/app/src/test/java/protect/card_locker/DatabaseTest.java
@@ -11,7 +11,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.Robolectric;
-import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
 
 import static org.junit.Assert.assertEquals;
@@ -19,8 +19,8 @@ import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
-@RunWith(RobolectricGradleTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 17)
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 23)
 public class DatabaseTest
 {
     private DBHelper db;
diff --git a/app/src/test/java/protect/card_locker/ImportExportActivityTest.java b/app/src/test/java/protect/card_locker/ImportExportActivityTest.java
index 6bb169c01..7b6485782 100644
--- a/app/src/test/java/protect/card_locker/ImportExportActivityTest.java
+++ b/app/src/test/java/protect/card_locker/ImportExportActivityTest.java
@@ -11,7 +11,7 @@ import android.view.View;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.Robolectric;
-import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.res.builder.RobolectricPackageManager;
@@ -20,16 +20,14 @@ import static org.robolectric.Shadows.shadowOf;
 
 import static org.junit.Assert.assertEquals;
 
-@RunWith(RobolectricGradleTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 17)
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 23)
 public class ImportExportActivityTest
 {
     private void registerIntentHandler(String handler)
     {
         // Add something that will 'handle' the given intent type
-
-        RobolectricPackageManager packageManager = (RobolectricPackageManager) shadowOf(
-                RuntimeEnvironment.application).getPackageManager();
+        RobolectricPackageManager packageManager = shadowOf(RuntimeEnvironment.application.getPackageManager());
 
         ResolveInfo info = new ResolveInfo();
         info.isDefault = true;
diff --git a/app/src/test/java/protect/card_locker/ImportExportTest.java b/app/src/test/java/protect/card_locker/ImportExportTest.java
index 563912410..312b2439c 100644
--- a/app/src/test/java/protect/card_locker/ImportExportTest.java
+++ b/app/src/test/java/protect/card_locker/ImportExportTest.java
@@ -11,7 +11,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.Robolectric;
-import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
 
 import java.io.ByteArrayInputStream;
@@ -26,8 +26,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
-@RunWith(RobolectricGradleTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 17)
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 23)
 public class ImportExportTest
 {
     private Activity activity;
diff --git a/app/src/test/java/protect/card_locker/LoyaltyCardCursorAdapterTest.java b/app/src/test/java/protect/card_locker/LoyaltyCardCursorAdapterTest.java
index 8a2ff854f..995ae3f34 100644
--- a/app/src/test/java/protect/card_locker/LoyaltyCardCursorAdapterTest.java
+++ b/app/src/test/java/protect/card_locker/LoyaltyCardCursorAdapterTest.java
@@ -11,13 +11,13 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.Robolectric;
-import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
 
 import static org.junit.Assert.assertEquals;
 
-@RunWith(RobolectricGradleTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 17)
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 23)
 public class LoyaltyCardCursorAdapterTest
 {
     private Activity activity;
diff --git a/app/src/test/java/protect/card_locker/LoyaltyCardViewActivityTest.java b/app/src/test/java/protect/card_locker/LoyaltyCardViewActivityTest.java
index 39da5e78c..b351a5c08 100644
--- a/app/src/test/java/protect/card_locker/LoyaltyCardViewActivityTest.java
+++ b/app/src/test/java/protect/card_locker/LoyaltyCardViewActivityTest.java
@@ -18,7 +18,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.Robolectric;
-import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.res.builder.RobolectricPackageManager;
@@ -32,8 +32,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.robolectric.Shadows.shadowOf;
 
-@RunWith(RobolectricGradleTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 17)
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 23)
 public class LoyaltyCardViewActivityTest
 {
     private final String BARCODE_DATA = "428311627547";
@@ -63,8 +63,7 @@ public class LoyaltyCardViewActivityTest
     private void registerMediaStoreIntentHandler()
     {
         // Add something that will 'handle' the media capture intent
-        RobolectricPackageManager packageManager = (RobolectricPackageManager) shadowOf(
-                RuntimeEnvironment.application).getPackageManager();
+        RobolectricPackageManager packageManager = shadowOf(RuntimeEnvironment.application.getPackageManager());
 
         ResolveInfo info = new ResolveInfo();
         info.isDefault = true;
diff --git a/app/src/test/java/protect/card_locker/MainActivityTest.java b/app/src/test/java/protect/card_locker/MainActivityTest.java
index 022df00f0..d727fb89d 100644
--- a/app/src/test/java/protect/card_locker/MainActivityTest.java
+++ b/app/src/test/java/protect/card_locker/MainActivityTest.java
@@ -18,7 +18,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.Robolectric;
-import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.util.ActivityController;
@@ -29,8 +29,8 @@ import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.robolectric.Shadows.shadowOf;
 
-@RunWith(RobolectricGradleTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 17)
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 23)
 public class MainActivityTest
 {
     private SharedPreferences prefs;