diff --git a/android/test-app-util.gradle b/android/test-app-util.gradle
index 0ec24cc47..003c2e393 100644
--- a/android/test-app-util.gradle
+++ b/android/test-app-util.gradle
@@ -142,6 +142,6 @@ ext.getReactNativeVersionNumber = { baseDir ->
     def reactNativePath = findNodeModulesPath(baseDir, "react-native")
     def packageJson = file("${reactNativePath}/package.json")
     def manifest = new JsonSlurper().parseText(packageJson.text)
-    def (major, minor, patch) = manifest["version"].tokenize(".")
+    def (major, minor, patch) = manifest["version"].findAll(/\d+/)
     return (major as int) * 10000 + (minor as int) * 100 + (patch as int)
 }