diff --git a/android/build.gradle b/android/build.gradle
index 524466c..07d49d3 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -49,7 +49,7 @@ dependencies {
     implementation "com.android.support:support-annotations:$supportLibVersion"
     implementation "com.android.support:customtabs:$supportLibVersion"
   } else {
-    def defaultAndroidXVersion = "1.x"
+    def defaultAndroidXVersion = "1.+"
     if (androidXVersion == null) {
       androidXVersion = defaultAndroidXVersion
     }
diff --git a/example/android/build.gradle b/example/android/build.gradle
index 5e7e0d4..e350763 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         compileSdkVersion = 28
         targetSdkVersion = 28
         supportLibVersion = "28.0.0"
-        androidXVersion = "1.x" // Default AndroidX dependency
+        androidXVersion = "1.+" // Default AndroidX dependency
         androidXAnnotation = "1.1.0"
         androidXBrowser = "1.0.0"
     }