diff --git a/core/src/main/jni/Application.mk b/core/src/main/jni/Application.mk
index 1935e646..15c1eec0 100644
--- a/core/src/main/jni/Application.mk
+++ b/core/src/main/jni/Application.mk
@@ -1,4 +1,4 @@
 APP_ABI                 := armeabi-v7a arm64-v8a x86
-APP_PLATFORM            := android-19
+APP_PLATFORM            := android-21
 APP_STL                 := c++_static
 NDK_TOOLCHAIN_VERSION   := clang