diff --git a/libc/include/android/api-level.h b/libc/include/android/api-level.h
index a175857..af7cde1 100644
--- a/libc/include/android/api-level.h
+++ b/libc/include/android/api-level.h
@@ -100,6 +100,9 @@
 /** Names the "Q" API level (29), for comparisons against __ANDROID_API__. */
 #define __ANDROID_API_Q__ 29
 
+/** Names the "R" API level (30), for comparisons against __ANDROID_API__. */
+#define __ANDROID_API_R__ 30
+
 /**
  * Returns the `targetSdkVersion` of the caller, or `__ANDROID_API_FUTURE__`
  * if there is no known target SDK version (for code not running in the