diff --git a/android/build.gradle b/android/build.gradle
index dac9cc5..bc4003b 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -24,6 +24,7 @@ def safeExtGet(prop, fallback) {
 android {
     compileSdkVersion safeExtGet('compileSdkVersion', 23)
     buildToolsVersion safeExtGet('buildToolsVersion', '23.0.1')
+    ndkVersion "21.4.7075529"
 
     defaultConfig {
         minSdkVersion safeExtGet('minSdkVersion', 16)