diff --git a/buildscripts/kokoro/android.sh b/buildscripts/kokoro/android.sh
index 50337ef878..3ca4fa88bc 100755
--- a/buildscripts/kokoro/android.sh
+++ b/buildscripts/kokoro/android.sh
@@ -31,6 +31,8 @@ buildscripts/make_dependencies.sh
     :grpc-android-interop-testing:build \
     :grpc-android:build \
     :grpc-cronet:build \
+    :grpc-binder:build \
+    assembleAndroidTest \
     publishToMavenLocal
 
 if [[ ! -z $(git status --porcelain) ]]; then
diff --git a/cronet/build.gradle b/cronet/build.gradle
index 2d73cc4194..7a6d58a7e4 100644
--- a/cronet/build.gradle
+++ b/cronet/build.gradle
@@ -28,6 +28,10 @@ android {
             consumerProguardFiles 'proguard-rules.pro'
         }
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
     testOptions { unitTests { includeAndroidResources = true } }
     lintOptions { disable 'InvalidPackage' }
 }