diff --git a/android-interop-testing/app/build.gradle b/android-interop-testing/app/build.gradle
index f20ab5d72c..0b0a6611d7 100644
--- a/android-interop-testing/app/build.gradle
+++ b/android-interop-testing/app/build.gradle
@@ -25,7 +25,7 @@ android {
         targetSdkVersion 26
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
     }
     buildTypes {
@@ -80,8 +80,8 @@ dependencies {
     // workaround for https://github.com/google/protobuf/issues/1889
     protobuf 'com.google.protobuf:protobuf-java:3.0.2'
 
-    androidTestImplementation 'com.android.support.test:rules:1.0.1'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'androidx.test:rules:1.1.0-alpha1'
+    androidTestImplementation 'androidx.test:runner:1.1.0-alpha1'
 }
 
 gradle.projectsEvaluated {
diff --git a/android-interop-testing/app/src/androidTest/AndroidManifest.xml b/android-interop-testing/app/src/androidTest/AndroidManifest.xml
index 98447551fa..340300c4c5 100644
--- a/android-interop-testing/app/src/androidTest/AndroidManifest.xml
+++ b/android-interop-testing/app/src/androidTest/AndroidManifest.xml
@@ -8,7 +8,7 @@
         android:targetSdkVersion="22"/>
 
     <instrumentation
-        android:name="android.support.test.runner.AndroidJUnitRunner"
+        android:name="androidx.test.runner.AndroidJUnitRunner"
         android:targetPackage="io.grpc.android.integrationtest" />
 
     <application android:debuggable="true" >
diff --git a/android-interop-testing/app/src/androidTest/java/io/grpc/android/integrationtest/InteropInstrumentationTest.java b/android-interop-testing/app/src/androidTest/java/io/grpc/android/integrationtest/InteropInstrumentationTest.java
index f156025da5..28a637c5b4 100644
--- a/android-interop-testing/app/src/androidTest/java/io/grpc/android/integrationtest/InteropInstrumentationTest.java
+++ b/android-interop-testing/app/src/androidTest/java/io/grpc/android/integrationtest/InteropInstrumentationTest.java
@@ -18,10 +18,10 @@ package io.grpc.android.integrationtest;
 
 import static junit.framework.Assert.assertEquals;
 
-import android.support.test.InstrumentationRegistry;
-import android.support.test.rule.ActivityTestRule;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
+import androidx.test.InstrumentationRegistry;
+import androidx.test.rule.ActivityTestRule;
+import androidx.test.runner.AndroidJUnit4;
 import com.google.android.gms.common.GooglePlayServicesNotAvailableException;
 import com.google.android.gms.common.GooglePlayServicesRepairableException;
 import com.google.android.gms.security.ProviderInstaller;