diff --git a/libc/include/android/api-level.h b/libc/include/android/api-level.h
index 18825e7..7a909d7 100644
--- a/libc/include/android/api-level.h
+++ b/libc/include/android/api-level.h
@@ -58,5 +58,6 @@
 #define __ANDROID_API_N_MR1__ 25
 #define __ANDROID_API_O__ 26
 #define __ANDROID_API_O_MR1__ 27
+#define __ANDROID_API_P__ 28
 
-#endif /* ANDROID_API_LEVEL_H */
+#endif